nod

nod [näd]

vi.

nodded, nodding [ME nodden, prob. in basic sense “to shake the head,” akin to Ger notten, to move about, OHG hnotōn, to shake, OE hnossian, to knock < IE * kneudh < base * ken-, to scratch, scrape > NIP¹]

1. to bend the head forward slightly and raise it again quickly, as a sign of greeting, command, acknowledgment, invitation, or, specif., of agreement or assent

2. to let the head fall forward involuntarily because of drowsiness; be very sleepy

3. to be inattentive or careless; make a slip

4. to sway back and forth or up and down, or to hang down, as the tops of trees, flowers, plumes, etc.

5. Slang to be under the influence of a drug, as heroin

vt.

1. to bend (the head) forward slightly and raise it again quickly

2. to signify (assent, approval, agreement, etc.) by doing this

3. to invite or dismiss by a nod

n.

1. a nodding, as of the head, treetops, etc.

2. a sign of affirmation, assent, favorable decision, etc. [to give or get the nod]

3. see LAND OF NOD

——————

nod off

to fall asleep, esp. when sitting up

——————

nod out

Slang to become unconscious from the effects of a drug

nodder

n.