venison means: The deer’s flesh. (in Cooking Dictionary)

What else does venison mean?

Any member of the deer familial, which broadly comprises elks, reindeer and caribou, can be used to make meat. It is usually leaner than meat made from domesticated animals and tends to be less tender. (in Cooking Dictionary)

The meat of antelopes, reindeer, caribou and elk are all included in this category. Venison, the largest large-game meat today is most common. (in Cooking Dictionary)

A game animal’s flesh is used for food. (in Merlin Dictionary)