Definition of primary feather in English:

primary feather

Syllabification: pri·ma·ry feath·er


  • Any of the largest flight feathers in a bird’s wing, growing from the manus.
    More example sentences
    • Like typical swifts, treeswifts have a long manus and primary feathers.
    • It is very agile in flight, helped by broad wings with the primary feathers separated into ‘fingers'.
    • These birds can't fly away because a few primary feathers on one wing are kept clipped.

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Pronunciation: ˌastrəˈgāSHən
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