Isis
a genus of corals, the typical of the one of the sub-family Isidinæ. The sclerobasis consists of alternate calcareous and horny segments, the former giving rise to branches. I. hippuris is from Amboyna, I. polyantha from the American seas, and I. coralloides from those of India.
ISLAM (is-läm' or is'lam), the proper name of the Mohammedan religion; designating complete and entire submission of body and soul to God, His will and His service, as well as to all those articles of faith, commands, and ordinances revealed to and ordained by Mohammed the prophet.