A loose-fitting one-piece work garment worn to protect clothes. Often used in the plural. (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.
Use "coverall" in a sentence
"Beneath the coverall, the CNN anchor was swathed in a bright, handpainted silk chiffon gown."
"The coverall can be dyed in you washing machine to the desired color using Rit Dye."
"Dressed in a pale blue coverall, the Reman sat on the ground atop a bedroll, his back against the cave wall."