LEARNit Dictionary

knob

noun
1
a round switch on a machine such as a radio that you use to turn it on and off, etc.
دکمه چرخان, ولوم
2
a round handle on a door or a drawer
دستگیره, دسته گرد, دستگیره مدوّر, دستگیره در, دستگیره کشو
I tried the knob, and this time the door opened.
She turned the heavy brass door knob.
3
a round shape like a ball on the surface or end of something
برآمدگی, گوی
He carried a long cane, tipped with an iron knob.
The bird's bill is orange with a black knob at its base.
4
a small piece of something such as butter
تکه کوچک
5
a penis
آلت تناسلی مردانه, آلت مردانه