Lewis & Short

† ostrăcĭum or ostrăcĕum, ii, n., = ὀστράκιον, a mussel, also called onyx, Plin. 32, 10, 46, § 134.

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• Ostĭensis
• ostīgo
• ostĭŏlum
• ostĭum
• ostŏcŏpŏs
• Ostōrĭus
• ostrăcĭas
• ostrăcītis
• ostrăcītes
• ostrăcītis
• ostrăcĭum
• ostrăcĕum
• ostrĕa
• ostrĕum
• ostrĕārĭus
• ostrĕārĭum
• ostrĕātus
• ostrĕōsus
• ostrĕum
• ostrĭāgo
• ostrĭcŏlor
• ostrĭfĕr
• ostrīnus
• ...