"catnap" in the noun sense
1. nap, catnap, light sleep, short sleep, forty winks, snooze
sleeping for a short period of time (usually not in bed)
"catnap" in the verb sense
1. nap, catnap, catch a wink
take a siesta
"She naps everyday after lunch for an hour"
Source: WordNet® (An amazing lexical database of English)
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