- the area of the facial wall of an insect's head between the labrum and the frons, usually separated from the latter by a groove.
Origin of clypeus
1825–35; < New Latin, special use of Latin clypeus, clipeus round shield
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for clypeus
The portion of the face bounded by this groove is called the clypeus.Through a Microscope
The labrum, or upper lip, is separated by a deep suture from the clypeus, and is trapezoidal in form.Our Common Insects
Alpheus Spring Packard
Fabricius has denominated this part the clypeus, in which he has been followed by most modern Entomologists.An Introduction to Entomology: Vol. III (of 4)
The scape, labrum, mandibles and palpi ferruginous; the clypeus widely emarginate anteriorly.
The face with silvery pile on each side of the clypeus, and sprinkled with erect black hairs.
- a cuticular plate on the head of some insects between the labrum and the frons
C19: from New Latin, from Latin clipeus round shield
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