anatomy any muscle that can cause a part to become firm or tense
2.
maths a set of components, functions of the coordinates of any point in space, that transform linearly between coordinate systems. For three-dimensional space there are 3^{r} components, where r is the rank. A tensor of zero rank is a scalar, of rank one, a vector
A structure of quantities arranged by zero or more indices, such as a scalar (zero indices), a vector (one index), or a matrix (two indices), which is invariant under transformations of coordinates.
Any of various muscles that stretch or tighten a body part, as the muscle that acts to tense the soft palate, called the tensor palati.