Definition of "umbilicate" [um•bil•i•cate]

• Having a central mark or depression resembling a navel. (adjective)
• Having a navel. (adjective)

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.

• "+Cap+ yellow when moist, 1 to 2 inches broad, umbilicate, then funnel-shaped, wrinkled on the surface, at length wavy at margin."
• "Pileus, scaly or warted.campanulate. silky, cracked or fibrillose.umbonate. umbilicate. striate."
• "It is more erect, the branching more open, and the caps at the ends of the branches are more or less circular and umbilicate."