Definition of "groin" []

• Anatomy The crease or hollow at the junction of the inner part of each thigh with the trunk, together with the adjacent region and often including the external genitals. (noun)
• Architecture The curved edge at the junction of two intersecting vaults. (noun)
• A small jetty extending from a shore to protect a beach against erosion or to trap shifting sands. (noun)
• To provide or build with groins. (verb-transitive)

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.

• "I don't know where his groin is at [in terms of his recovery], but you've got to be really careful when ya cut."
• "This one especially annoys me because, being so tall, my groin is about elbow height for most elderly ladies."
• "The medic sees that a laceration in the soldier's left groin is still bleeding."