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mecastor INTERJ :: by Castor!; (oath used by women)
mecastor: v. Castor.
mēcastŏr,¹⁴ par Castor : Pl. ; Ter. ; v. Castor.
mēcastor, s. 2. Castōr.
mecastor! interj. (adjuvet.) :: 爲某神誓