monoceros noun. [mǝ'nɒs(ǝ)rǝs] ME.
[Old French from Latin from Greek monokerōs, from monos MONO- + keras horn.]
1. A unicorn. ME-M18.

2. A fish having a single hornlike process, as a sawfish. Also, a narwhal. L16-E19.

3. (Monoceros.) (The name of) an inconspicuous constellation on the celestial equator lying in the Milky Way between Canis Major and Canis Minor; the Unicorn. L18.

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