Definition of ovalling in English:

ovalling

(also ovaling)

noun

Mechanics
  • Becoming oval; adopting an oval form or (especially) cross-section.

Origin

Late 16th century; earliest use found in Robert Dallington (b. 1561), author and courtier. From oval + -ing.

Pronunciation

ovalling

/ˈəʊv(ə)lɪŋ//ˈəʊv(ə)lɪŋ/