n.
Pronunciation: ' bäb
Function: verb
Inflected Form: bobbed ; bob · bing
Etymology: Middle English boben
Date: 13th century
transitive verb
1 : to strike with a quick light blow : RAP
2 : to move up and down in a short quick movement < bob the head>
3 : to polish with a bob : BUFF
intransitive verb
1 a : to move up and down briefly or repeatedly <a cork bobbed in the water> b : to emerge, arise, or appear suddenly or unexpectedly <the question bobbed up again>
2 : to nod or curtsy briefly
3 : to try to seize a suspended or floating object with the teeth < bob for apples>