sūco (succ-), ōnis, m. [sugo],
a sucker; of a usurer, Att. ap. Cic. Att. 7, 13, b, § 5.
suco (ō) (succo) ōnis, m SVG-, a sucker .— Of usurers: Oppios succones dicis (al. saccones, strain...
An Elementary Latin Dictionary