Arm and Building block

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

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

Nearby Words: armlet, armband, armless

Building block noun - One of the parts that make up a whole.

Arm and building block are semantically related. Sometimes you can use "Arm" instead a noun phrase "Building block".