trop.

Noun

 * 1)  parallel of latitude.

Adjective

 * 1)  of or pertaining to the tropics; from or similar to a hot, humid climate; dated: metaphorical, figurative.
 * 2) * 1879, and Charles Short, , Oxford at the, “equus” II.C.2:
 * Trop., of a secret conspiracy, Cic. Mur. 37, 78.