盤 - tray, shallow bowl, platter

Go board

placenta

board (in shogi, go, chess, etc.)

middle stage; middle phase; middle game; midpoint

base; basis; foundation; footing; infrastructure

abacus; soroban

disk; discus; platter

ground; crust (earth); bed (gravel, river, etc.)

keyboard (of a piano, typewriter, etc.)

opening (in a game of go, chess, etc.)

endgame; final stage

compass