oryzoid adjective 1noun 1forms 1 adjective1 •Of or pertaining to rice-like plants of the Oryzoideae.The oryzoid grasses were studied by the agrostologist. noun1 •A grass of the subfamily Oryzoideae.Of the smaller groupings in our classification, the oryzoids represent a small series of closely related genera, whose closest affinities may lie with the bamboos. — 1977 formsoryzoids
