A close-fitting knitted cap of a kind worn by members of the US Navy in cold weather.
（美国海军士兵寒冷天气戴的）编织冬帽，值班风帽
Example sentencesExamples
Their faces were smeared in grease paint and watch caps covered their hair.
In the Gulf, I had taken out the watch cap and the hand-warmers, and I hadn't bothered to put them back into my survival vest.
I pull it down low over the eyebrows, like a watch cap.
His shaggy brown hair spilled out from below his white watch cap.
On my first walk across the yard, accompanied by a guard, I was surprised at how normal, even fashionable, the men's blue and orange jackets, pants and watch caps seemed.
Definition of watch cap in US English:
watch cap
noun
A close-fitting knitted cap of a kind worn by members of the US Navy in cold weather.
（美国海军士兵寒冷天气戴的）编织冬帽，值班风帽
Example sentencesExamples
His shaggy brown hair spilled out from below his white watch cap.
Their faces were smeared in grease paint and watch caps covered their hair.
I pull it down low over the eyebrows, like a watch cap.
On my first walk across the yard, accompanied by a guard, I was surprised at how normal, even fashionable, the men's blue and orange jackets, pants and watch caps seemed.
In the Gulf, I had taken out the watch cap and the hand-warmers, and I hadn't bothered to put them back into my survival vest.