fob

nouns

a vest pocket to hold a pocket watch

fob, watch pocket

an adornment that hangs from a watch chain

fob

is a type of (narrower)

a decoration of color or interest that is added to relieve plainness

short chain or ribbon attaching a pocket watch to a man's vest

fob, watch chain, watch guard

deceive somebody

"We tricked the teacher into thinking that class would be cancelled next week"