PLICATE
pleat, plicate
(verb) fold into pleats; “Pleat the cloth”
Source: WordNet® 3.1
Etymology
Adjective
plicate (comparative more plicate, superlative most plicate)
(biology) Folded multiple times lengthwise like a fan, usually lending stiffness to a flat structure such as a leaf; corrugated; pleated.
Synonyms
• (folded): corrugated, folded, plicated
Verb
plicate (third-person singular simple present plicates, present participle plicating, simple past and past participle plicated)
(chiefly biology) To fold or pleat (usually used in passive).
Source: Wiktionary
Pli"cate, Pli"ca*ted, a. Etym: [L. plicatus, p. p. of plicare to
fold.]
Definition: Plaited; folded like a fan; as, a plicate leaf.
– Pli"cate*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition