雌し雄ゆう淘とう汰たMeaningsNoun1. sexual selection (Rare)Kanji used雌bitch (female animal)雄stud (male animal)淘eliminate through selection汰sieve throughPitch accentしゆうとうたComposed of雌し雄ゆうmale and female (animals); the two sexes; victory and defeat; strengths and weaknessesNoun淘とう汰たweeding out; elimination (e.g. of unneeded employees); culling; selectionNoun