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to make round; to roll up; to curl up
to seduce; to cajole; to explain away
to round off (a fraction)
to shave (one's head)
紙を丸めてゴミ箱に投げ入れたよ。
I crumpled the paper and threw it in the trash.
彼女はアルミホイルを手で丸めた。
She rolled the aluminum foil into a ball with her hands.
猫がソファの上で体を丸めている。
The cat is curled up on the sofa.