Meaning of 牛後 in Japanese

Definition of 牛後

ぎゅうご(gyuugo) 【牛後】

けいこうぎゅうご(keikougyuugo) 【鶏口牛後】

(exp) better to be the beak of a rooster than the rump of a bull; better to be the leader of a small group than a subordinate in a large organization; better to be a big fish in a little pond than a little fish in a big pond

けいこうとなるもぎゅうごとなるなかれ(keikoutonarumogyuugotonarunakare) 【鶏口となるも牛後となる勿れ】