nod
nod · verb
Definitions
verb
- 1.
To move one's head in a quick downward motion, especially as a sign of agreement, acknowledgment, or greeting.
- 2.
An act of nodding the head.
- 3.
To let one's head fall forward when drowsy or asleep.
- 4.
A gesture of acknowledgment or recognition.
- 5.
To sway or move gently up and down.
Forms
plural: nods
Phrases & expressions
- •nod off — To fall asleep, especially unintentionally.
- •give the nod — To give approval or permission.
- •on the nod — (informal) Without formal discussion; by tacit agreement.
- •a nod is as good as a wink — A subtle hint is enough for someone who understands.
Related words
Etymology
From Middle English nodden, perhaps from a Low German source related to Middle High German notten ("to shake").