an engine that uses the combustion of fuel to create work (movement)

present participle of come into being

(intransitive, of a meeting, assembly, proceeding, legislature, court) To come to an orderly state allowing it to conduct its business.

(idiomatic) To reach a stage of development or maturity where one has achieved strength and confidence, economic security, or respect and social acceptance.

A comb with a long, pointed handle for curling or styling the hair.

plural of come-on

(idiomatic) To be a common, and often inconvenient, accompaniment of an occupation, situation, or occurrence.

(uncountable) A genre of fiction, especially film, that presents love stories in a humorous and light-hearted way. / (countable) Such a story.

(idiomatic) A person's past wrongdoings will return to negatively affect them.

(transitive, idiomatic) To totally destroy (something); to annihilate or wipe out (something).