(informal, uncountable, definite, i.e. used with "the")Contraceptivemedication, usually in the form of a pill to be taken by a woman; an oralcontraceptive pill.
“My grandmother keeps her daily medication neatly organized in a beautiful antique pillbox.”
“The soldiers took refuge in the pillbox, a fortified structure armed with heavy artillery, providing them protection and a strategic vantage point for enemy surveillance.”
“The special category winner was Annie May Cullanlou for her hand painted pillbox.”