একটি ফলক সঙ্গে একটি pocketknife করে একটি বোতাম টেপার খোলা স্প্রিংস

Noun:

সুইচ টিপলেই ফলা বেরিয়ে আসে এমন স্প্রিং-লাগানো পকেট-ছুরি,

switchblade's Usage Examples:

A switchblade (shortened switch, but also known as an automatic knife, pushbutton knife, ejector knife, spring knife (Sprenger, Springer), flick knife.

while in American English usage, the name stiletto can also refer to a switchblade knife with a stiletto- or bayonet-type blade design.

knives, and automatic OTF switchblade knives and gravity knives, which are restricted offensive weapons (white weapon).

switchblade's Meaning':

a pocketknife with a blade that springs open at the press of a button