(~s)
1.
A ~ is a loose piece of clothing which covers all of your body and reaches the ground. You can describe someone as wearing a ~ or as wearing ~s. (FORMAL)
Pope John Paul II knelt in his white ~s before the simple altar.
N-COUNT
2.
A ~ is a piece of clothing, usually made of towelling, which people wear in the house, especially when they have just got up or had a bath.
Ryle put on a ~ and went down to the kitchen.
N-COUNT