- Botany. the shieldlike cotyledon of certain monocots.
- Zoology. a small plate, scutum, or other shieldlike part, as on the thorax of insects or the feet of birds.
Origin of scutellum
1750–60; < New Latin, equivalent to Latin scūt(um) shield (see scute) + -ellum diminutive suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for scutellum
The scutellum is considered to represent the first leaf or cotyledon.A Handbook of Some South Indian Grasses
Rai Bahadur K. Ranga Achariyar
The bristles which are most distorted are those upon the scutellum, where they are sometimes curled together into balls.Sex-linked Inheritance in Drosophila
Thomas Hunt Morgan
Bugs should be pinned through the scutellum, as the small triangular piece between the elytra is called.Taxidermy and Zoological Collecting
William T. Hornaday
There lies a connecting part between the germ and its food, the scutellum.
Something like elytra and a scutellum appear to distinguish these insects.An Introduction to Entomology: Vol. IV (of 4)
- the last of three plates into which the notum of an insect's thorax is divided
- one of the scales on the tarsus of a bird's leg
- an outgrowth from a germinating grass seed that probably represents the cotyledon
- any other small shield-shaped part or structure
C18: from New Latin: a little shield, from Latin scūtum a 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
- A shieldlike bony plate or scale, as on the thorax of some insects.
- The large, shield-shaped cotyledon of the embryo of a grass plant, specialized for the absorption of food from the endosperm.
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