Definition of "rostrate" [ros•trate]

• Having a beaklike part. (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.

• "S.: -- "Upper lip of corolla not rostrate, with the margin on each side furnished with a triangular tooth immediately below the apex, but without any tooth below the middle.""
• "[CORBULA CUNEATA] Shell small, thick, ovate, concentrically striate; anterior margin rounded; posterior elongated, or somewhat rostrate."