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Meaning of hypopteron | Babel Free

Noun CEFR B2

Definitions

the tuft of axillary feathers of a bird's wing

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

hypoptilum hypoptychid hypopygium hypopyon hypopyrexia hyporachis