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Pronunciation varies by accent · noun
(zoology) The top of a bird's head, from the base of the bill to the nape..
Use pileum when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pileum means (zoology) The top of a bird's head, from the base of the bill to the nape..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pileum where its definition matches the intended context.
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