Green’s Dictionary of Slang

cocobola n.

[Arawak kakabali, thence Sp. cocobolo/cocobola, the timber from any one of several species of tree of the Central American genus Dalbergia, or the tree itself. Nightsticks are made from this timber]

(US) a police nightstick; also attrib.

NYC Police Dept. Band 🌐 Wall plaque made of solid red oak measures 30" x 9 1/2". Features a cocobola nightstick and custom engraved solid brass panel.