• WordNet 3.6
    • n plica a folded part (as in skin or muscle)
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Webster's Revised Unabridged Dictionary
    • Plica (Med) A disease of the hair (Plica polonica), in which it becomes twisted and matted together. The disease is of Polish origin, and is hence called also Polish plait.
    • Plica (Bot) A diseased state in plants in which there is an excessive development of small entangled twigs, instead of ordinary branches.
    • Plica (Zoöl) The bend of the wing of a bird.
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Century Dictionary and Cyclopedia
    • n plica In pathology, a matted, filthy condition of the hair, from disease. Also called plica polonica, helosis, and trichosis.
    • n plica In botany, a diseased state in plants in which the buds, instead of developing true branches, become short twigs, and these in their turn produce others of the same sort, the whole forming an entangled mass.
    • n plica In zoology and anatomy, a fold or folding of a part.
    • n plica In entomology, a prominent ridge or carina, often turned over or inclined to one side, so that it appears like a fold; specifically, a longitudinal ridge on the internal surface of each elytron, near the outer edge; an elytral ridge, found in certain Coleoptera.
    • n plica In herpetology: [capitalized] A genus of American iguanoid lizards: named from the folds of skin on the sides.
    • n plica A lizard of this genus: as, the dotted plica, P. punctata.
    • n plica In mensural music: A kind of grace-note.
    • n plica A kind of ligature
    • n plica The stem or tail of a note.
    • n plica The bend or flexure of the wing at the carpal joint. [Rare.]
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Chambers's Twentieth Century Dictionary
    • n Plica plī′ka in the phrase Plica Polonica, a disease of the scalp, in which the hairs become matted together by an adhesive and often fetid secretion, occurring in several countries, but esp. in Poland.
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Webster's Revised Unabridged Dictionary
LL., a fold, fr. L. plicare, to fold. See Ply (v.)
Chambers's Twentieth Century Dictionary
L. plicāre, to fold.


In literature:

If there was no exudation the disease was called plica sicca.
"Anomalies and Curiosities of Medicine" by George M. Gould
Explicate: unfolded; open; without folds or plica.
"Explanation of Terms Used in Entomology" by John. B. Smith
Erat autem vir simplex, sine omni plica dolositatis aut falsitatis, ut omnibus constat.
"Henry the Sixth" by John Blacman
Plica polonica, which is endemic in Russia, is almost cosmopolitan.
"Fungi: Their Nature and Uses" by Mordecai Cubitt Cooke
We may almost believe that the disorder is born with them, like their frightful plica.
"A Philosophical Dictionary, Volume 9 (of 10)" by François-Marie Arouet (AKA Voltaire)
You have raised quite a plica, the black year take it!
"Yekl" by Abraham Cahan
Other historians assert that the plica originated in the East; such is the opinion of Stabel, Spreugel, and other writers.
"Curiosities of Medical Experience" by J. G. (John Gideon) Millingen

In news:

David Goulding Dennis Boni Jorg Plica Peter Schulz.