COLLAR

n. Ko2l'a3r. Lat., collare, collum. Fr., nceud vital [Lamarck] (1st def.), coarcture (1st def.), collier (3d def.). 1. The place of junction between the root and plumule of a plant. 2. The lengthened ostiolum of a lichen. 3. The annulus or ring upon the stipes of certain agarics. 4. In conchology, the margin of the mantel. 5. In ornithology, a ring of color around the neck. (i. The smut in wheat. [A, 505; L, 227, 343.] [s. 344]