thumb
//θʌm//Noun
thumbSingular
thumbsPlural
1
The short, thick first digit of the human hand, set lower and apart from the other four fingers and opposable to them.
She hurt her thumb while opening the jar.
2
The corresponding digit in other animals.
A panda uses its thumb to grip bamboo.
3
The part of a glove that covers the thumb.
There's a hole in the thumb of my glove.
Synonym
Verb
1
To turn pages or leaf through something using one's thumb.
She thumbed through the magazine while waiting.
2
To hitchhike by signaling with one's thumb.
He thumbed a ride to the next town.
3
To touch, press, or handle with the thumb.
He thumbed the button to turn on the device.