belfry

As a noun belfry

is (obsolete) a movable tower used in sieges.

As an adjective undefined is

lacking a definition or value.

In architecture terms the difference between belfry and bell

is that belfry is a part of a large tower or steeple, specifically for containing bells while bell is the part of the capital of a column included between the abacus and neck molding; also used for the naked core of nearly cylindrical shape, assumed to exist within the leafage of a capital.

As nouns the difference between belfry and bell

is that belfry is a movable tower used in sieges while bell is a percussive instrument made of metal or other hard material, typically but not always in the shape of an inverted cup with a flared rim, which resonates when struck.

As a verb bell is

to attach a bell to.

As a proper noun Bell is

a Scottish and northern English surname for a bell ringer, bellmaker, or from someone who lived "at the Bell (inn).

As nouns the difference between belfry and clocktower

is that belfry is a movable tower used in sieges while clocktower is an alternative spelling of clock tower.

As nouns the difference between belfry and pelfry

is that belfry is (obsolete) a movable tower used in sieges while pelfry is .