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Bidder's organ

Noun CEFR B2

Definitions

A spherical, brownish organ in most members of the family Bufonidae (true toads), located just in front of the kidney, or mesonephros, and apparently involved in regulating sex hormones.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

Bidders Biddery ware biddi-biddi Biddie Biddies bidding

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