Meaning of 相づち in Japanese

Definition of 相づち

あいづち(aizuchi) 【相槌 ·相づち ·相鎚】

(n) (ling) sounds given during a conversation to indicate comprehension; back-channeling

あいづちをうつ(aizuchiwoutsu) 【相槌を打つ ·相づちを打つ】

(exp, v5t) to throw in appropriate words in a conversation; to make agreeable responses; to be a yes-man
「私もそう思うわ」と彼女は相づちを打った。
"I think so, too," she chimed in.

「私わたしもそう思うおもうわ」と彼女かのじょは相づちを打った。

"I think so, too," she chimed in.