Becalm \Be*calm"\, v. t. [imp. & p. p. {Becalmed} (?); 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]