entrain verb². [ɪn'treɪn, ɛn-] L19.
[from EN-¹ + TRAIN noun¹.]
1. verb trans. Put (esp. troops) on a train. L19.

2. verb intrans. Go on board a train. L19.
■ H. Nicolson We then go to the station and entrain for Detroit.

■ entrainment noun² (rare) the action or fact of entraining L19.

[TahlilGaran] English Dictionary ▲

entrain noun. [tr] M19.
[French.]
Enthusiasm, animation.

[TahlilGaran] English Dictionary ▲

entrain verb¹ trans. [ɪn'treɪn, ɛn-] M16.
[Old & mod. French entraîner, formed as EN-¹ + traîner drag: see TRAIN verb.]
1. Draw away with or after oneself; fig. bring on as a consequence. Now rare. M16.
■ Henry Miller I entrained only my own ruin, my own bankruptcy.

2. (Of a current or fluid) incorporate and sweep along in its flow; incorporate (air) in concrete. L19.
Nature As the melt water rises up the side of an iceberg, it entrains..warmer, saltier water from the environment.

3. Biology.
a. verb trans. Of a rhythm or rhythmically varying thing: cause (another) gradually to fall into synchronism with it. L20.
b. verb intrans. Fall into synchronism in such circumstances. (Foll. by to.) L20.
Scientific American All sighted birds will entrain to the light from a single electroluminescent panel.

■ entrainment noun¹ the action or process of entraining or becoming entrained L19.

[TahlilGaran] English Dictionary ▲