A usually hand-held grinder which uses a pair of internal gears to place the rotational axis of the grinding or cutting wheel perpendicular to that of the driving motor.

(obsolete, idiomatic) To beg out of a prison window with a cap, or box, let down at the end of a long string.

(geometry) Of a triangle, having an obtuse angle.

(geometry) An angle of 360 degrees; a full circle.

(geometry) Of a triangle, having three acute angles.

(aeronautics) The angle between the chord line of an airfoil and the airflow over it; one of the determiners of the amount of lift produced by an airfoil.

(geometry) The inner angle between two sides of a polygon.

(computing) Either of the inequality signs < and >, when used as brackets in programming languages and markup languages.

(film) A cinematic tactic achieved by tilting the camera off to the side. The shot is composed with the horizon not parallel with the bottom of the frame. The technique is often used to portray the psychological uneasiness of the subject being filmed.

(geometry) An angle formed between one side of a polygon and an extension of an adjacent side.