n.

1. 吮吸者
2. 易受骗的人
   They swindled that sucker out of his money.

   他们诈取那个笨蛋的钱。

3. 【口】棒棒糖；吸管，吸盘
4. 【鱼】亚口鱼；胭脂鱼

vi.

1. 长出根出条；成为吸根

vt.

1. （为有利植物生长）从……除去吸根

n.

1. a rubber cup that adheres to a surface by suction.
   ▸a flat or concave organ enabling an animal to cling to a surface by suction.
2. the piston of a suction pump.
   ▸a pipe through which liquid is drawn by suction.
3. informal a gullible or easily deceived person.
   ▸ (a sucker for) a person especially susceptible to or fond of (a specified thing).
4. N. Amer. informal an unspecified person or thing.
5. Botany  a shoot springing from the base of a tree or other plant, especially one arising from the root at some distance from the trunk.
   ▸a side shoot from an axillary bud.
6. a freshwater fish with thick lips that sucks up food from the bottom. [Family Catostomidae: many species.]
7. N. Amer. informal a lollipop.

v.

1. Botany  (of a plant) produce suckers.
2. N. Amer. informal fool or trick.