nap noun
ADJ. brief, little, quick, short | afternoon, morning | cat (also catnap) If you have difficulty sleeping at night, avoid taking catnaps during the day. | power A ten-minute power nap can boost your productivity.
VERB + NAP have, take I had a short nap after lunch.
You can also check other dicts: nap (English, 中文解释 ), wordnet sense, Collins Definition