Dictionary

1entrain

verb en·train \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

2entrain

verb

Definition of ENTRAIN

transitive verb
:  to put aboard a train
intransitive verb
:  to go aboard a train

First Known Use of ENTRAIN

1881
Medical Dictionary

entrain

transitive verb en·train \in-ˈtrān\

Medical Definition of ENTRAIN

:  to determine or modify the phase or period of <circadian rhythms entrained by a light cycle>
en·train·ment \-ˈtrān-mənt\ noun

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June 30, 2015
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