n. [ L. monochordon, Gr. &unr_;, fr. &unr_; with but one string; &unr_; only, single + &unr_; string: cf. F. monocorde. See Chord, and cf. Mainchord. ] (Mus.) 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. [ 1913 Webster ]
n. [ Mono- + cotyledon: cf. F. monocotylédone. ] (Bot.) A plant with only one cotyledon, or seed lobe; a member of the Monocotyledonae. [ 1913 Webster ]
☞ The plural, monocotyledons, is used as the name of a large class of plants (the Monocotyledones, or Monocotyledonae), and is generally understood to be equivalent to the term endogens. [ 1913 Webster ]
prop. n. A class of plants comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: grasses; lilies; palms; and orchids. It is divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae. Syn. -- class Monocotyledones, Monocotyledonae, class Monocotyledonae, Liliopsida, class Liliopsida. [ WordNet 1.5 ]
(n) comprising seed plants that produce an embryo with a single cotyledon and parallel-veined leaves: includes grasses and lilies and palms and orchids; divided into four subclasses or superorders: Alismatidae; Arecidae; Commelinidae; and Liliidae, Syn.Liliopsida, class Monocotyledones, Monocotyledonae, class Monocotyledonae, class Liliopsida
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