From Longman Dictionary of Contemporary Englishowletowl‧et /ˈaʊlɪt/ noun [countable] HBBa young owl
Examples from the Corpus
owlet• In a tree an owlet whistles; it is an irritating, nosy-parker noise.• I tried rearing owlets in my bedroom under heat lamps several times, usually without much success.• When we got there we found dead or starving owlets all over the place.