intransitive verb

1. to breathe rapidly and heavily; gasp, as from running fast
2. to beat rapidly, as the heart; throb; pulsate
3. to feel strong desire; yearn eagerly: with for or after
4. to give off steam, smoke, etc. in loud puffs, as an engine

Etymology: ME panten, prob. contr. < OFr pantaisier < VL *phantasiare, to suffer from a nightmare < L phantasia, idea, notion, nightmare: see fantasy

transitive verb

noun

1. any of a series of rapid, heavy breaths, as from exertion; gasp
2. a throb, as of the heart
3. a puff, as of an engine

noun, adjective