plural of secret handshake

A distinct form of handshake, often with the fingers or thumbs specially positioned, that covertly indicates a person's membership of a club or clique.

plural of secret squirrel

(dermatology, pathology) An apical portion of a cytoplasm of secretory cells which project prominently as buds into a lumen.

plural of decapitation secretion

plural of secret menu

A collection of unofficial, unadvertised food items available at a fast food restaurant, known to customers only by word of mouth.

(idiomatic) Something interesting or important but not well-known.

(formal) MI6

plural of trade secret