vi.

1. 點頭
   She nodded to me in a friendly fashion.

   她友好地向我點了點頭。

2. 打盹，打瞌睡
   The maid nodded with fatigue.

   女佣累得打瞌睡。

3. 不小心而出錯
4. （樹梢，花等）擺動，搖曳
   The lilies were nodding in the wind.

   百合花隨風搖曳。

5. 吸食（注射）毒品之後睡著

vt.

1. 點（頭）
2. 點頭表示；向……點頭表示[O1]
   He nodded his agreement.

   他點頭表示同意。

n.

1. 點頭[S1]
   He greeted us with a nod.

   他點頭向我們打招呼。

2. 打盹，打瞌睡[C]
3. 擺動，搖曳[C]
4. （點頭表示）同意[the S]

v.

1. lower and raise one's head slightly and briefly, especially in greeting, assent, or understanding, or as a signal.
   ▸signify or express in this way:

   he nodded his consent.
   ▸ (nod something through) informal approve something by general agreement and without discussion.
   ▸move one's head up and down repeatedly.
2. let one's head fall forward when drowsy or asleep.
   ▸ (nod off) informal fall asleep.
   ▸make a mistake due to a momentary lack of attention. [with allusion to L. dormitat Homerus ‘even Homer nods’ (Horace Ars Poet. 359).]
3. Soccer  head (the ball) in a specified direction without great force.

n.