Trough

dolina

(a long, narrow depression between waves or ridges)

koryto

(a long, narrow, open container for feeding animals)

koryto

(a long, narrow container open at the top)

niż

(a linear atmospheric depression associated with a weather front)

rynna

(a gutter under the eaves of a building)

rów

(short, narrow drainage canal)

zatoka (niskiego ciśnienia)

(a linear atmospheric depression associated with a weather front)

żłób

(a long, narrow, open container for feeding animals)

żłób

(a long, narrow container open at the top)