episternum

[ ep-uh-stur-nuh m ]

/ ˌɛp əˈstɜr nəm /

noun, plural ep·i·ster·na [ep-uh-stur-nuh] /ˌɛp əˈstɜr nə/.

Entomology. the anterior portion of a pleuron.

Nearby words

epistemic, epistemics, epistemological, epistemology, episternal, episternum, epistle, epistle side, epistle to the galatians, epistler, epistolary

Origin of episternum

First recorded in 1850–55; epi- + sternum

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for episternum

Episternum, ep-i-ster′num, n. the interclavicle: the epiplastron: the presternum of mammals.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)|Various
In Man and in the Mole the paired nature of the episternum is clearly apparent.
The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard
The episternum (fig. 30, A, 10) is a thin almost circular plate of cartilage much of which remains hyaline.
The Vertebrate Skeleton|Sidney H. Reynolds
In IIIa, the episternum (a) and epimeron (b) are slightly separated.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4|Various

Episternum: the anterior and larger lateral thoracic sclerite between the sternum and notum.
Explanation of Terms Used in Entomology|John. B. Smith

British Dictionary definitions for episternum

episternum

/ (ˌɛpɪˈstɜːnəm) /

noun plural -na (-nə)

the manubrium of the sternum in mammals

another name for interclavicle

Derived Forms

episternal, adjective

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

Medicine definitions for episternum

episternum

[ ĕp′ĭ-stûr′nəm ]

n.

The broad upper segment of the sternum occasionally fused with the body of the sternum and forming the sternal angle.manubrium presternum