The headword, presumably taken from the quotation which follows, is neuter nominative singular of this (otherwise unattested) adjective.
[1] Quotation unidentifiable; variously attributed to Aelian and Nicolaus of Damascus. Equally uncertain is the episode (and personnel) involved, but a reasonable conjecture might be the theft of the Palladion from Troy by Odysseus and Diomedes [Author, Myth]; see under pi 34.