A surname from Italian.

(obsolete) A vicar.

plural of vicarian

Of or pertaining to a vicar / Delegated; vicarious

The biogeographical theory that vicariance is responsible for the differences between species.

In a vicariant manner

(ecology) vicariant

(countable) The residence of a vicar. / The benefice, duties or office of a vicar.

(biology) The separation of a group of organisms by a geographic barrier, resulting in differentiation of the original group into new varieties or species.

Any of a set of species, in separate geographical locations, that have arisen through vicariance