whistles

From Wiktionary

Noun[change]

Singular
whistle

Plural
whistles

Metal whistles
  1. The plural form of whistle; more than one (kind of) whistle.

Verb[change]

Plain form
whistle

Third-person singular
whistles

Past tense
whistled

Past participle
whistled

Present participle
whistling

  1. The third-person singular form of whistle.