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Synonyms

acerous

¹ American

[ey-seer-uhs] / eɪˈsɪər əs /

adjective

Zoology.

having no antennae.
having no horns.

acerous ² American

[as-er-uhs] / ˈæs ər əs /

adjective

Botany.

acerose.

Etymology

Origin of acerous¹

< Greek akerós, equivalent to a- a- ⁶ + -keros, adj. derivative of kéras horn; see -ous

Origin of acerous²

First recorded in 1840–50

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.