[ From Bojanus, the discoverer. ] (Zool.) A glandular organ of bivalve mollusca, serving in part as a kidney. [ 1913 Webster ]
n. a genus of erect densely branched shrubby perennials of Old World tropics; naturalized in other warm regions.
n. [ L. See January. ] (Rom. Antiq.) A Latin deity represented with two faces looking in opposite directions. Numa is said to have dedicated to Janus the covered passage at Rome, near the Forum, which is usually called the Temple of Janus. This passage was open in war and closed in peace. Dr. W. Smith. [ 1913 Webster ]
Janus cloth,
a. Double-faced; deceitful. [ 1913 Webster ]
Janus-faced lock,
a. Double-headed. [ 1913 Webster ]