(geometry) Any of the opposite angles formed by intersecting lines. / (geometry) The angle at the apex of an isosceles triangle or cone.

(tool) A tool for measuring levels and angles; combining a spirit level and an angle finder.

A curvilinear angle formed between a circle and a straight line tangent to it, or, more generally, the angle formed between two curves at a point where they are tangent to each other.

In craniometry, the angle formed by lines drawn to show to what extent the jaws are protruding and the forehead receding.

(architecture) A detail in the form of a leaf, more or less conventionalized, used to decorate and sometimes to strengthen an angle.

(architecture) A bead worked on or fixed to the angle of any architectural work, especially for protecting an angle of a wall.

(carpentry) A brace across an interior angle of a wooden frame, forming the hypotenuse and securing the two side pieces together.

(architecture) An enriched angle bead, often having a capital or base, or both.

(carpentry) An upright bar at the angle where two faces of a polygonal or bay window meet. / An angle iron.

An angle or space which cannot be seen or defended from behind the parapet of a fortification.