1 definition found From The Collaborative International Dictionary of English v.0.44 [gcide]: Viaticum \Vi*at"i*cum\, noun [L., from viaticus, adjective See {Viatic}.] 1. (Rom. Antiq.) An allowance for traveling expenses made to those who were sent into the provinces to exercise any office or perform any service. 2. Provisions for a journey. --Davies (Wit's Pilgr.). 3. (R. C. Ch.) The communion, or eucharist, when given to persons in danger of death.

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