Lewis Short
stlāta (noun F) : 1. latus, q. v. init.
* A kind of ship: stlata genus navigii latum magis quam altum, et a latitudine sic appellatum, sed eā consuetudine, quā stlocum pro locum et stlitem pro litem dicebant,Fest. p. 312 Müll.; cf. Aus. Ep. 22, 31; Gell. 10, 25, 5.— Acc. to Caper, Orth. p. 2246 P., and Gloss. Philox. s. h. v., a kind of piratical vessel or corsair: stlatta, πειρατικοῦ σκάφεος εἶδος.
Charlton T. Lewis, Charles Short, A Latin Dictionary