tonfa (Okinawan weapon)

traditional / conventional

tradition, custom

nearly the same, almost equal / break-even, neither profitable nor costly

to study / to learn

(weaponry) a weapon

(rare, possibly obsolete) a rope used to catch fish

the main island in the Okinawa Islands: Okinawa Island / a group of islands known as the Okinawa Islands / the southern-most Japanese prefecture: Okinawa Prefecture

(mahjong) east wind (mahjong tile)

tonne, metric ton / (now uncommon) ton, Imperial ton