sternum

IPA: stˈɝnʌm

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

Examples of "sternum" in Sentences

On another line of thought the sternum is a ventral vertebral column.
The sternum is the breastbone, and the keel is where wing muscles normally attach.
In the Trumpeter this enters a protuberance that stands out on the dorsal aspect of the sternum, which is wanting in both the other kinds.
Others may have weighed whether to wear a polo, V-neck, scoop neck or button-down if lanyard chafing around the neck or on the sternum is a concern.
On the exterior of the sternum was a laceration an inch and a half in length, covered by a spumy fluid, from the centre of which was heard a gurgling noise, showing that a wound had penetrated into the sac of the pleura.
The first rib differs from the others of this group in that its attachment to the sternum is a rigid one; this is counterbalanced to some extent by the fact that its head possesses no interarticular ligament, and is therefore more movable.
Admittedly, the sternum is a tough one, but if you can break a cinderblock with the heel of your hand, you can probably crack somebody's sternum, and if This Person were really so knowledgable about assassins and fighting, s/he would know that.
This species is at once known from Chelodina longicollis by the form of its high, flat sternum, which is strongly keeled on the sides, and by this part being of a uniform reddish colour, without any dark margin to the plates; the hinder part of the sternum is only slightly concavely truncated, and not deeply notched.