From The Collaborative International Dictionary of English v.0.48 [gcide]: Acaleph \Ac"a*leph\, Acalephan \Ac`a*le"phan\n.; pl. Acalephs, Acalephans. [See {Acaleph[ae]}.] (Zool.) One of the Acaleph[ae]. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]: Acaleph \Ac"a*leph\, Acalephan \Ac`a*le"phan\n.; pl. Acalephs, Acalephans. [See {Acaleph[ae]}.] (Zool.) One of the Acaleph[ae]. [1913 Webster]