- botany a small stalk or stem
C17: from Latin cauliculus, from caulis stem
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for caulicle
The process of soaking starts the growth of the caulicle of the pea.Detection of the Common Food Adulterants
Edwin M. Bruce
Roots can also grow from the sides of the caulicle, as in Indian Corn.
When seeds germinate, the lower end of the caulicle, which becomes the root, bears large numbers of root-hairs.Ontario Teachers' Manuals: Nature Study
Ontario Ministry of Education
The root of the Morning-Glory is primary; it is a direct downward growth from the tip of the caulicle.
The caulicle can be proved by the manner of its growth to be of the nature of stem, not root.