Synonyms for Elliptical (same or very similar meaning)
WordNet sense 1 (rounded like an egg):
elliptic, oval, ovate, ovoid, egg-shaped, oviform, prolate, oval-shapedWordNet sense 2 (curving and somewhat round in shape rather than jagged):
roundedWordNet sense 3 (expressing much in few words):
conciseFrom the ODE community, based on WordNetadd/edit