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■ noun trademark, chiefly N. Amer. a cotton swab on a small stick, used for cleaning the ears, applying make-up, etc.
Eg. In the last few days, you may have seen a horrifying video of police armed with Q-tips instead of batons.
When a word is associated to a picture, it can effectively be remembered. We have a collection of pictures for over 700 words tested in GRE.