troughs

From Wiktionary

Noun[change]

Singular
trough

Plural
troughs

  1. The plural form of trough; more than one (kind of) trough.

Verb[change]

Plain form
trough

Third-person singular
troughs

Past tense
troughed

Past participle
troughed

Present participle
troughing

  1. The third-person singular form of trough.