to reduce (e.g. the price (in bargaining))

• o ni daa booi booli gili teeku zuɣu, n daa beni when he marked the boundary round the sea, I was there.
• Ŋuna m-booi booli pa teeku kom zuɣu luɣ’ shɛli neesim mini zibisim ni chirigi taba. He has fixed the horizon on the surface of the waters at the boundary between light and darkness.

to devalue, degrade somebody (in rank), disgrace somebody

• kapinta mi zaŋ o bimbuɣisirigu n-teei li buɣisi dɔɣu ka zaŋ bimboorigu m-booi booi li The carpenter measures with a line and makes an outline with a marker.
• sagani ... booi gili nam ʒiishee maa a rainbow ... surrounded the throne.
• Kaman sagani ni yi booi sagbana ni saa mibu dali shɛm la As the rainbow appears marked on the clouds on a rainy day.

to reduce noise

to pour part of liquid on, in

to make a mark, scratch

to paint, draw (line, letter, picture)