Dictionary Definition:
Koṭṭana [fr. koṭṭeti] 1. grinding, crushing, pounding (grains) J i.475; ˚pacan' ādi pounding and cooking, etc. DhA ii.261. -- 2. hammering or cutting (?) in dāru˚ J ii.18; vi.86 (maŋsa˚, here "beating," T. spells ṭṭh). Cp. adhikuṭṭanā.