资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.

            Soft whispering airs . . . becalm the mind.
                                                  --Philips.

   2. To keep from motion, or stop the progress of, by the
      stilling of the wind; as, the fleet was becalmed.

资料来源 : WordNet®

becalmed
     adj : rendered motionless for lack of wind