Arm and Subgroup

Arm noun - A portable weapon from which a shot is discharged by gunpowder.

Subgroup and arm are semantically related. In some cases you can use "Subgroup" instead a noun "Arm".

Nearby Words: armlet, armband, armless

Subgroup noun - A distinct and often subordinate group within a group.

Arm and subgroup are semantically related. Sometimes you can use "Arm" instead a noun "Subgroup".