The Categories

Part 1

Things are said to be named 'equivocally' when, though they have a
common name, the definition corresponding with the name differs for
each. Thus, a real man and a figure in a picture can both lay claim to
the name 'animal'; yet these are equivocally so named, for, though they
have a common name, the definition corresponding with the name differs
for each. For should any one define in what sense each is an animal,
his definition in the one case will be appropriate to that case only.

On the o...