noun
aizuchi; backchanneling; interjections showing attention
Refers to the frequent interjections (e.g., はい, ええ, そうですか) used in Japanese conversation to show one is listening and engaged. Often used in the phrase 相づちを打つ.
彼は話を聞きながら、適度に相づちを打った。
He gave appropriate aizuchi while listening to the story.
日本語の会話で
In Japanese conversation, aizuchi are very important.
noun
two smiths hammering in turn
Historical term from swordsmithing; refers to two smiths alternating hammer strikes on the same piece. Rarely used outside historical or technical contexts.
See also: 向こう鎚
刀鍛冶の作業では、師弟が相槌を打つ場面が見られた。
In swordsmithing, one could see the master and apprentice hammering in turn.