Lewis Short
stŏrĕa | stŏrĭa (noun F) : (in good MSS. also ; cf. Caes. B. C. 2, 9), , from the root ster, sterno; Gr. στοπέννυμι, to spread out
* A mat or covering made of plaited straw, rushes, rope, etc.; a straw-mat, rush-mat, rope-mat, Caes. B. C. 2, 9; Liv. 30, 3; Plin. 15, 16, 18, § 59.
Charlton T. Lewis, Charles Short, A Latin Dictionary