The definition of a souvenir is something you keep to remind you of a trip or other event.
(noun)A snow globe you bring back from your vacation is an example of a souvenir.
See souvenir in Webster's New World College Dictionary
noun
Origin: Fr, orig. inf., to remember < L subvenire, to come to mind: see subvene
See souvenir in American Heritage Dictionary 4
noun
Origin:
Origin: French
Origin: , from Old French, to recall, memory
Origin: , from Latin subvenīre, to come to mind
Origin: : sub-, sub-
Origin: + venīre, to come; see gwā- in Indo-European roots
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