in turn
ONE AFTER THE OTHER, one by one, one at a time, in succession, successively, sequentially

[TahlilGaran] Dictionary of Contemporary English ▲

in turn
1.
one after the other.
She spoke to each of the guests in turn.

2.
as an equal or related effect.
Yiddish has borrowed words from German, and German has in turn borrowed from Russian.

The agency wants to put pressure on local business people, so they, in turn, will put pressure on state officials.

[TahlilGaran] English Idioms Dictionary ▲

in turn
each following another
We went up to the front of the class in turn in order to pick up our diplomas.

[TahlilGaran] English Idioms Dictionary ▲

in turn
adv. phr. According to a settled order; each following another.
Each man in turn got up and spoke.
Two teachers supervised the lunch hour in turn.
Two of the three boys tease their younger brother
■ John, the biggest, teases Bob, the middle boy; and Bob in turn teases Tim, the youngest.
Compare: IN ORDER.

[TahlilGaran] English Idioms Dictionary ▲