sundown[
'sʌn`daʊn]
n. 日落, 阔

女帽
sundown[ noun ]the time in the evening at which the sun begins to fall below the horizon<noun.time> 
Sundown \Sun"down`\, n.
1. The setting of the sun; sunset. ``When sundown skirts the
moor.'' --Tennyson.
2. A kind of broad-brimmed sun hat worn by women.