v. t. [ imp. & p. p. Becalmed (&unr_;); p. pr. & vb. n. Becalming. ] 1. To render calm or quiet; to calm; to still; to appease. [ 1913 Webster ]
Soft whispering airs . . . becalm the mind. Philips. [ 1913 Webster ]
2. To keep from motion, or stop the progress of, by the stilling of the wind; as, the fleet was becalmed. [ 1913 Webster ]