entrain

¹en·train

verb \in-ˈtrān\

Definition of ENTRAIN

transitive verb

1

: to draw along with or after oneself

2

: to draw in and transport (as solid particles or gas) by the flow of a fluid

3

: to incorporate (air bubbles) into concrete

4

: to determine or modify the phase or period of <circadian rhythms entrained by a light cycle>

— en·train·er noun

— en·train·ment \-ˈtrān-mənt\ noun

Origin of ENTRAIN

Middle French entrainer, from en- + trainer to draw, drag — more at train

First Known Use: 1568