Definition of "sulcate" []

• Biology Having narrow, deep furrows or grooves, as a stem or tissue. (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.

• "The margin is thin and marked by deep furrows and ridges, so that it is deeply striate, or the terms sulcate or pectinate sulcate are used to express the character of the margin."
• "+Cap+ a light-colored yellowish-brown, changing into an ash color; the disc with a yellowish shade; of an oval shape, then bell-shaped, and marked with lines, almost sulcate."
• "It is deeply striate or grooved (sulcate) on the margin."