Monoceros

//məˈnɒsəɹəs// name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A unicorn. obsolete

    "The ancients were most liberal with their descriptions of fabulous animals, and the Monoceros or Unicorn was a favourite subject with them; but I am not aware whether or no the account which Spencer gives has so early an origin."

  2. 2
    A narwhal. obsolete
Proper Noun
  1. 1
    A winter constellation of the northern sky, said to resemble a unicorn. It lies amid the Milky Way, just east of the constellation Orion.

Example

More examples

"The ancients were most liberal with their descriptions of fabulous animals, and the Monoceros or Unicorn was a favourite subject with them; but I am not aware whether or no the account which Spencer gives has so early an origin."

Etymology

Etymology 1

From Old French monoceros, from Latin monocerōs.

Etymology 2

First recorded by the astronomer Jakob Bartsch in 1624, but possibly created earlier by Petrus Plancius. From Latin monocerōs (“unicorn”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.