From be- + calm.
becalm (third-person singular simple present becalms, present participle becalming, simple past and past participle becalmed)
- (transitive) To make calm or still; make quiet; calm.
- (transitive, nautical) To deprive (a ship) of wind, so that it cannot move (usually in passive).
- 2011, Thomas Penn, Winter King, Penguin 2012, p. 214:
- In the following two days, they made fast progress, strong easterly winds driving them down the Channel to where it opened out into the Atlantic; there, they were briefly becalmed.