A military dictionary

by William Duane

Saliant Angle,		-
Angle sortant,

Is that angle which points outwards, or towards the country. Such is the angle of the counterscarp before the point of a bastion.

Entering Angle, or		-
Angle rentrant,

An angle pointing inwards, as the saliant angle does outwards. Such is the angle of the counterscarp before the curtain.

Angle of the counterscarp, made by two sides of the counterscarp, meeting before the centre of the curtain.

Angle at the circumference of a circle, is an angle formed by two chords in the circumference of a circle.

Angle of the circumference, is the mixed angle formed by an arch, drawn from one gorge to another.

Re-entering Angle. See [Entering Angle].

Angle of the complement of the line of defence, is the angle formed by the intersection of the two complements with each other.

Angles of a battalion, are made by the last men at the extremity of the ranks and files.