BACKCROSSING

Scrabble 23 Words With Friends 28

Scrabble letter values: B₃A₁C₃K₅C₃R₁O₁S₁S₁I₁N₁G₂ = 23

Definition

BACKCROSSING is the present participle of BACKCROSS.

verb BACKCROSS: mate a hybrid of the first generation with one of its parents.