ˈlamənə noun
( plural lami·nae -ˌnē, -ˌnī ; or laminas )
Etymology: in sense 1, from Latin; in other senses, New Latin, from Latin
1. : a thin plate or scale : flake , layer
2.
a. : the part of the neural arch of a vertebra extending from the pedicle to the median line
b.
(1) : the blade or expanded part of a foliage leaf — distinguished from petiole
(2) : a foliose expansion (as of the thallus in an alga)
c. : one of the narrow thin parallel plates of soft vascular sensitive tissue that cover the pododerm of the walls of an animal's hoof and fit between corresponding horny laminae on the inside of the wall of the hoof — called also sensitive lamina
3.
a. : a minor layer of a stratified rock usually separable and produced by intermittent deposit
b. : a thin layer between cleavage planes in slate or schist
4. : a plane section of a body having infinitesimal thickness