an exercise involving raising oneself with one's arms by pulling up against a horizontal bar fixed above one's head.
2
a disposable diaper with an elasticated waistband enabling it to be pulled up and worn like underpants, typically worn by children during potty training.
now she only wears a pull-up at bedtime
3
an act of pulling up; a sudden stop.
形容词
1
(of a diaper) having an elasticated waistband enabling it to be pulled up and worn like underpants.