Definition of "oral contraceptive" []

• A pill, typically containing estrogen or progesterone, that inhibits ovulation and thereby prevents conception. Also called birth control pill. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Flavier explained to villagers that oral contraceptive pills for humans acted in a similar way to the iping-iping seeds."