arches

From Wiktionary

Noun[change]

Singular
arch

Plural
arches

A bridge can have many arches.
  1. The plural form of arches; more than one (kind of) arches.
    A bridge can have many arches.

Verb[change]

Plain form
arch

Third-person singular
arches

Past tense
arched

Past participle
arched

Present participle
arching

  1. The third-person singular form of arch.
    She often arches back to stretch.