sternum

An anterior view of the human sternum (in red).

Meaning

Noun

The breastbone, consisting of the manubrium, gladiolus, and xiphoid process.
The sclerotized ventral plate of spiders, between the coxae, marking the floor of the cephalothorax.

Origin

Borrowed from New Latin sternum, related to Old English steorn ("forehead"), German Stirn ("forehead").

Modern English dictionary

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