avenaceous

[ av-uh-ney-shuh s ]
/ ˌæv əˈneɪ ʃəs /

adjective Botany.

of or like oats.

Origin of avenaceous

1765–75; < Latin avēnāceus, equivalent to avēn(a) oats + -āceus -aceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019