Definition of "flattop" [flat•top]

• Informal An aircraft carrier. (noun)
• Informal A short haircut in which the hair is brushed straight up and cropped flat across the top. (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.

• "First some background from Jim Comish, executive director of AMSE: The museum has just opened a new exhibit featuring an original B-1 model house, known as a flattop because of its flat, tar roof."
• "Well at least there won't be a fight over who gets the curling iron and who gets the hair clippers with the 'flattop' attachment ..."
• ""flattop" and needed to find a tonsorial artist who could keep things on the level."