The Collaborative International Dictionary
Succula
Succula \Suc"cu*la\, n. [L. sucula a winch, windlass, capstan.] (Mach.) A bare axis or cylinder with staves or levers in it to turn it round, but without any drum.
Wiktionary
succula
n. (context engineering English) A bare axis or cylinder with staves or levers in it to turn it round, but without any drum.