- coma
- comacoma1 [kō′mə]n.[ModL < Gr kōma (gen. kōmatos), deep sleep < IE base * keme-, to grow tired > Sans śamītē, to work, prepare, Gr kamatos, fatigue, effort]1. deep, prolonged unconsciousness caused by injury or disease2. a condition of stupor or lethargycoma2 [kō′mə]n.pl. comae [kō′mē] [L, hair of the head, foliage < Gr komē, hair]1. Astron. a comet's gaseous cloud surrounding the solid nucleus and forming, with the nucleus, the comet's head2.a) a bunch of branches, as on the top of some palm treesb) a terminal cluster of bracts on a flowering stem, as in pineapplesc) a tuft of hairs at the end of certain seeds3. Photog. a blur caused by the spherical aberration of oblique rays of light passing through a lens
English World dictionary. V. Neufeldt. 2014.