the part of a loudspeaker that transforms the electrical signal into sound.
b.
the entire loudspeaker.
10.
Nautical.
a.
a jib-headed spanker sail.
b.
a designation given to one of the masts abaft the mizzen on a sailing vessel having more than three masts, either the fifth or sixth from forward. Compare pusher(def. 4), spanker(def. 1b).