erector

As a noun erector

is a person who, or a device which erects.

As an adjective undefined is

lacking a definition or value.

As a noun erector is

a person who, or a device which erects.

As nouns the difference between erector and elector

is that erector is a person who, or a device which erects while elector is a (german) prince (prince-elector or simply elector) entitled to elect the emperor of the holy roman empire.

As nouns the difference between erecter and erector

is that erecter is (one who raises or builds) while erector is a person who, or a device which erects.

As a noun erector

is a person who, or a device which erects.

As a proper noun rector is

an english surname; derived from the (etyl) surname richter .

As nouns the difference between erector and evector

is that erector is a person who, or a device which erects while evector is a differential operator that allows a contravariant to be constructed from an invariant.

As nouns the difference between ejector and erector

is that ejector is one who, or that which, ejects or dispossesses while erector is a person who, or a device which erects.

As nouns the difference between taxonomy and erector

is that taxonomy is the science or the technique used to make a classification while erector is a person who, or a device which erects.