Definition of "valvule" [valv•ule]

• A small valve or valvelike structure. (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.

• "Oesophageal valve: a funnel-like folding of the oesophagus, extending into the chylific ventricle in some insects, and forming a valve that controls the entrance of food into that organ: = cardiac valvule."
• "Interventricular valvule: of heart, lies in front of seluilunar valve."
• "Angujlius ubi valvule coartlattt evadunt concava. —"