a type of bend knot used to join two ropes.

Alternative form of fee simple absolute

(archaic, of a negated noun) Of any social standing.

(archaic) No one, regardless of social standing.

plural of simple harmonic motion

plural of simple continued fraction

(mathematics) A continued fraction were all of the numerators are 1.

plural of central simple algebra

(algebra, ring theory) A finite-dimensional associative algebra over some field K that is a simple algebra and whose centre is exactly K.

Simplicity should be a key aspect in design; don't overcomplicate something.