D defs.my
Entry 5 senses Webster, 1913

Unicorn

/yo͞on'-ĭk-ôrnˌ/ · U·ni·corn · IPA /ˈju.nɪ.kɔɹn/
01 n. A fabulous animal with one horn; the monoceros; -- often represented in heraldry as a supporter.
  1. 1.
    A fabulous animal with one horn; the monoceros; -- often represented in heraldry as a supporter.
  2. 2.
    A two-horned animal of some unknown kind, so called in the Authorized Version of the Scriptures.
    “Canst thou bind the unicorn with his band in the furrow?” — Job xxxix. 10.
  3. 3.
    Any large beetle having a hornlike prominence on the head or prothorax.(Zool.)
  4. 4.
    The kamichi; -- called also unicorn bird.(Zool.) Also: unicorn bird
  5. 5.
    A howitzer.(Mil.) [Obs.]
Phrases & compounds
Fossil unicorn — a substance formerly of great repute in medicine; -- named from having been supposed to be the bone or the horn of the unicorn.
Unicorn fish — the narwhal.
Unicorn moth — a notodontian moth (Coelodasys unicornis) whose caterpillar has a prominent horn on its back; -- called also unicorn prominent.
Unicorn root — a name of two North American plants, the yellow-flowered colicroot (Aletris farinosa) and the blazing star (Chamaelirium luteum). Both are used in medicine.
Unicorn shell — any one of several species of marine gastropods having a prominent spine on the lip of the shell. Most of them belong to the genera Monoceros and Leucozonia.