What is the meaning of Gangsa?

Alternative form of ganza (type of metal)

Romanization of ᬕᬗ᭄ᬲ

a shallow hand-held copper gong, extensively used in dances

Alternative form of gansa

bronze

brass, bell-metal

booby, gannet (family Sulidae spp.)

Romanization of ꦒꦁꦱ

bronze (alloy)

brass gong with convex side and forked stick as a handle

Obsolete form of gansa.

Source: wiktionary.org