toothbrush

TOOTH-brush/ˈtuːθbɹʌʃ/

Pluraltoothbrushes

Verbtoothbrushes, toothbrushing, toothbrushed

2 meanings of toothbrush

1
nouncountable
A small brush you use with toothpaste to clean your teeth.
Like a little scrub brush, but made just for cleaning your teeth.
I keep my toothbrush in a cup beside the sink.
She bought new toothbrushes for everyone in the family.
2
verbtransitive
To clean something by scrubbing it with a toothbrush.
Like scrubbing a tiny spot the same way you scrub your teeth.
She toothbrushed her muddy sneakers until they looked new.
I toothbrush the bathroom tiles every weekend.
Similarbrush, scrub

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Origin

It comes from the two words "tooth" and "brush" joined together.