Scrabble?! TANGENT

Definitions of TANGENT in various dictionaries:

noun - a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point

noun - ratio of the opposite to the adj acent side of a right-angled triangle

Making contact at a single point or along a line; touching but not intersecting.

Irrelevant.

A line, curve, or surface touching but not intersecting another line, curve, or surface.

The trigonometric function of an acute angle in a right triangle that is the ratio of the length of the side opposite the angle to the length of the side adj acent to the angle.

A sudden digression or change of course: went off on a tangent during the courtroom argument.

An upright pin in a keyboard instrument, especially in a clavichord, that rises to sound a string when a key is depressed and stops the string at a preset length to set the pitch.

noun - a straight line in contact with a curve at one point