throbs

From Wiktionary

Verb[change]

Plain form
throb

Third-person singular
throbs

Past tense
throbbed

Past participle
throbbed

Present participle
throbbing

  1. The third-person singular form of throb.

Noun[change]

Singular
throb

Plural
throbs

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