TROUGH


Meaning of TROUGH in English

■ noun

1》 a long, narrow open container for animals to eat or drink out of.

↘a similar container, e.g. one for growing plants.

2》 a channel used to convey a liquid.

↘a long hollow in the earth's surface.

3》 an elongated region of low barometric pressure.

4》 a hollow between two wave crests in the sea.

5》 a region around the minimum on a curve of variation of a quantity.

↘a point of low activity or achievement.

Origin

OE trog , of Gmc origin; related to tree .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.