<hypertext> (Or "hyperlink", "button", formerly "span", "region", "extent") An area within the content of a hypertext node (e.g. a web page) which is the source or destination of a link. A source anchor may be a word, phrase, image or the whole node. A destination anchor may be a whole node or some position within the node.

A hypertext browser usually displays a source anchor in some distinctive way, e.g. marked with a special symbol or drawn in a different colour, font or style. When the user activates the link (e.g. by clicking on it with the mouse), the browser displays the destination anchor to which the link refers. Some anchors only look different when the mouse is over them but this forces the user to hunt for them when they should be obvious.

In HTML, anchors are created with the <a..>..</a> construct. The opening "a" tag of a source anchor has an "href" (hypertext reference) attribute giving the destination in the form of a URL - usually a whole node or "page". E.g.

 <a href="http://foldoc.org/"> Free On-line Dictionary of Computing</a>

Destination anchors are only used in HTML to name a position within a page using a "name" attribute. E.g.

 <a name="chapter3">

The name or "fragment identifier" is appended to the URL of the page after a "#":

 http://fairystory.com/goldilocks.html#chapter3

(Though it is generally better to break pages into smaller units than to have large pages with named sections).

(01 Jan 2007)

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A sample of student work that exemplifies a specific level of performance. Raters use anchors to score student work, usually comparing the student performance to the anchor. For example, if student work was being scored on a scale of 1-5, there would typically be anchors (previously scored student work), exemplifying each point on the scale.

(14 Jan 2009)

ancestor, ancestral, ancestress, anchor < Prev | Next > anchor, anchorage, anchorage dependence

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1. A iron instrument which is attached to a ship by a cable (rope or chain), and which, being cast overboard, lays hold of the earth by a fluke or hook and thus retains the ship in a particular station.

The common anchor consists of a straight bar called a shank, having at one end a transverse bar called a stock, above which is a ring for the cable, and at the other end the crown, from which branch out two or more arms with flukes, forming with the shank a suitable angle to enter the ground.

Formerly the largest and strongest anchor was the sheet anchor (hence, Fig, best hope or last refuge), called also waist anchor. Now the bower and the sheet anchor are usually alike. Then came the best bower and the small bower (so called from being carried on the bows). The stream anchor is one fourth the weight of the bower anchor. Kedges or kedge anchors are light anchors used in warping.

2. Any instrument or contrivance serving a purpose like that of a ship's anchor, as an arrangement of timber to hold a dam fast; a contrivance to hold the end of a bridge cable, or other similar part; a contrivance used by founders to hold the core of a mold in place.

3. That which gives stability or security; that on which we place dependence for safety. "Which hope we have as an anchor of the soul." (Heb. Vi. 19)

4. An emblem of hope.

5. A metal tie holding adjoining parts of a building together. Carved work, somewhat resembling an anchor or arrowhead; a part of the ornaments of certain moldings. It is seen in the echinus, or egg-and-anchor (called also egg-and-dart, egg-and-tongue) ornament.

6. <zoology> One of the anchor-shaped spicules of certain sponges; also, one of the calcareous spinules of certain Holothurians, as in species of Synapta. Anchor ice. See Ice. Anchor ring.

<mathematics> The crossbar at the top of the shank at right angles to the arms. The anchor comes home, when it drags over the bottom as the ship drifts. Foul anchor, the anchor when it hooks, or is entangled with, another anchor, or with a cable or wreck, or when the slack cable entangled. The anchor is acockbill, when it is suspended perpendicularly from the cathead, ready to be let go. The anchor is apeak, when the cable is drawn in do tight as to bring to ship directly over it. The anchor is atrip, or aweigh, when it is lifted out of the ground. The anchor is awash, when it is hove up to the surface of the water. At anchor, anchored. To back an anchor, to increase the holding power by laying down a small anchor ahead of that by which the ship rides, with the cable fastened to the crown of the latter to prevent its coming home. To cast anchor, to drop or let go an anchor to keep a ship at rest. To cat the anchor, to hoist the anchor to the cathead and pass the ring-stopper. To fish the anchor, to hoist the flukes to their resting place (called the bill-boards), and pass the shank painter. To weigh anchor, to heave or raise the anchor so as to sail away.

Origin: OE. Anker, AS. Ancor, oncer, L. Ancora, sometimes spelt anchora, fr. Gr, akin to E. Angle: cf. F. Ancre. See Angle.

(01 Mar 1998)

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