Rotund
Part of speech: adjective
Definition: Having a round or spherical shape; circular; orbicular. Round in body shape; portly or plump; podgy Full and rich; orotund; sonorous; full-toned.
Rounded
Part of speech: verb
Definition: past tense of "to round"
Part of speech: adjective
Definition: Made into a circle or sphere.Complete or balanced.Describing a number that has been changed to its nearest desired value.Ending in a broad arch.Pronounced with the lips rounded; see rounded vowel.