[ av-uh-ney-shuhs ]

  1. of or like oats.

Origin of avenaceous

First recorded in 1765–75; from Latin avēnāceus, equivalent to avēn(a) “oats” + -āceus -aceous

Words Nearby avenaceous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use avenaceous in a sentence

  • I gathered a viviparous avenaceous grass (what this was cannot be ascertained).

    Lachesis Lapponica | Carl von Linn