training pants

Noun

plural plural-only

Undergarments worn by incontinent people, typically infants, to aid in toilet training during the transition between diapers and underpants.

Japanese Meaning

赤ちゃんが、おむつから普通のパンツへ移行する際のトイレトレーニングを補助するために使用する、下着型のパンツ（小児用）

After several accidents at preschool, Maya's parents decided she was ready to try training pants during the day.

幼稚園で何度か失敗した後、マヤの両親は日中にトイレトレーニング用の下着を試す時期だと判断した。

Sense（1）

Undergarments worn by incontinent people, typically infants, to aid in toilet training during the transition between diapers and underpants.