ply definition

<mathematics, data> 1. Of a node in a tree, the number of branches between that node and the root.

2. Of a tree, the maximum ply of any of its nodes.

1. To bend. "As men may warm wax with handes plie." (Chaucer)

2. To lay on closely, or in folds; to work upon steadily, or with repeated acts; to press upon; to urge importunately; as, to ply one with questions, with solicitations, or with drink. "And plies him with redoubled strokes" (Dryden) "He plies the duke at morning and at night." (Shak)

3. To employ diligently; to use steadily. "Go ply thy needle; meddle not." (Shak)

4. To practice or perform with diligence; to work at. "Their bloody task, unwearied, still they ply." (Waller)

Origin: OE. Plien, F. Plier to fold, to bend, fr. L. Plicare; akin to Gr, G. Flechten. Cf. Apply, Complex, Display, Duplicity, Employ, Exploit, Implicate, Plait, Pliant, Flax.