n. (御寒用的)耳罩

[ noun ]
one of two flaps attached to a cap to keep the ears warm
<noun.artifact>

earflap \earflap\ n.
one of two flaps attached to a cap to keep the ears warm. On
some hats the earflaps may be adjusted or tied to the top of
the hat, and lowered when needed in colder weather.

Syn: earlap.
[WordNet 1.5 +PJC]