A fold or crease, especially of skin or other tissue. / Polish plait, plica polonica, or plica neuropatica: a disease of the hair in which it becomes twisted and matted together.

plural of plica

plural of plica

(medicine, now chiefly historical) A condition characterised by matted and unhygienic hair.

(pharmacology) An antibiotic C₅₂H₇₆O₂₄ with antineoplastic activity which is produced by three bacteria of the genus Streptomyces (Streptomyces argillaceus, Streptomyces tanashiensis, and Streptomyces plicatus), acts by inhibiting DNA transcription and replication, and is administered intravenously especially in the treatment of malignant tumors of the testes or in the treatment of hypercalcemia and hypercalciuria associated with advanced neoplastic disease.

(now chiefly biology, geology) An act of folding. / (now chiefly biology, geology) A fold or pleat.

(biology) Folded multiple times lengthwise like a fan, usually lending stiffness to a flat structure such as a leaf; corrugated; pleated.

(chiefly biology) To fold or pleat (usually used in passive).

plural of plication

plural of plicature