knob

• 指物体上圆形的突出物，如门把手、抽屉拉手或装饰性圆球。也指球形手柄或旋钮，常用于门、抽屉或武器上。

A noun referring to a rounded projection, handle, or ornament, such as on a door, drawer, or weapon.

1. Round projectionB1formal

   A rounded, often circular, projection or lump on a surface.

   圆形凸起

   • The tree trunk had a small knob where a branch had been cut.
   • He felt a knob on the back of his head.
   • The surface of the rock was covered in small knobs.

   同义词bossbulgebumpexcrescencelumpnodenodulenubprojectionprotrusionprotuberancestud

2. Round handleA2formal

   A round, often spherical, handle used to open or close a door, drawer, or cabinet.

   圆形把手

   • She turned the brass knob to open the door.
   • The drawer knob came loose and fell off.
   • He polished the wooden knobs on the antique cabinet.

   同义词griphandlepull

3. Thickened enlargementB2formal

   Any thickened, rounded part or swelling on an object or body part.

   圆形凸起

   • The bone had a knob at the joint.
   • The stem of the plant had a small knob where the leaf attached.
   • The doctor examined the knob on his wrist.

   同义词bulgebumplumpnodenoduleprotuberanceswelling

4. Sword ornamentC1formal

   A decorative ball-shaped ornament on the hilt of a sword or dagger.

   剑柄饰球

   • The knight's sword had a golden knob on the pommel.
   • The dagger's knob was carved from ivory.
   • He polished the ornate knob at the end of the hilt.

   同义词pommel