salient

adjective

• 1most noticeable or important:it succinctly covered all the salient points of the case
• prominent; conspicuous:the salient object in my view

• 2(of an angle) pointing outwards. The opposite of re-entrant.

• 3 [postpositive] Heraldry (of an animal) standing on its hind legs with the forepaws raised, as if leaping.

noun

• a piece of land or section of fortification that juts out to form an angle.
• an outward bulge in a line of military attack or defence: this decisive battle broke the Germans' ability to attack any further into the Kursk salient