ovoid /ˈoʊvɔɪd/adjective 2noun 1forms 3 adjective2 •Shaped like an oval.That was the way my mind lurched and stumbled, among the sharp rs and ts, sliding over the ovoid vowels as if on pebbles. — 1985 •Egg-shaped; shaped like an oval, but more tapered at one end; ovate. noun1 •Something that is oval in shape. formsovoids · more ovoid · most ovoid