Meaning of 鶏口 in Japanese

Definition of 鶏口

けいこう(keikou) 【鶏口】

(n) mouth of a chicken
鶏口となるも牛後となるなかれ。
Better be the head of a dog than the tail of a lion.

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】