MONOCEPHALOUS
Mon`o*ceph"a*lous, a. Etym: [Mono- + Gr. (Bot.)
Defn: Having a solitary head; — said of unbranched composite plants.
MONOCEROS
Mo*noc"e*ros, n. Etym: [L., fr. Gr.
1. A one-horned creature; a unicorn; a sea monster with one horn. Mighty monoceroses with immeasured tails. Spenser.
2. (Astron.)
Defn: The Unicorn, a constellation situated to the east Orion.
MONOCHLAMYDEOUS
Mon`o*chla*myd"e*ous, a. Etym: [Mono- + Gr. monochlamydé.] (Bot.)
Defn: Having a single floral envelope, that is, a calyx without a corolla, or, possibly, in rare cases, a corolla without a calyx.
MONOCHORD Mon"o*chord, n. Etym: [L. monochordon, Gr. monocorde. See Chord, and cf. Mainchord.] (Mus.)
Defn: An instrument for experimenting upon the mathematical relations of musical sounds. It consists of a single string stretched between two bridges, one or both of which are movable, and which stand upon a graduated rule for the purpose of readily changing and measuring the length of the part of the string between them.