硬币有人头像的一面，硬币正面
the side of a coin that has a picture of someone's head on it
Heads won, so our team got to decide who played first.
What is the probability of the coin coming down heads ten times in a row?
OK, we'll flip a coin for it. Heads or tails?
Every time you flip the coin, the odds of it landing on heads are 50:50.
She tossed the coin, and luckily for me it was heads.
Compare: tail noun (COIN SIDE)
See also: head noun (COIN SIDE)