Word: revving
Part of speech: Verb
Syllables: rev
ving
Definition: Present participle of rev; rate of revolution of a motor
Morphemes:
Affix: rev
Language: en
PoS: Verb
Meaning: To increase the speed of a motor, or to operate at a higher speed.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form present participles of verbs.