from
Bouvier's Law Dictionary, Revised 6th Ed (1856)
SOCIETAS LEONINA. Among the Roman lawyers this term signified that kind of
society or partnership by which the entire profits should belong to some of
the partners in exclusion of the rest.
2. It was so called in allusion to the fable of the lion and other
animals, who having entered into partnership for the purpose of hunting, the
lion appropriated all the prey to himself. Dig. 17, 2, 29, 2; Poth. Traite
de Societe, n. 12. See 2 McCord's R. 421; 6 Pick. 372.