Lewis Short
con-spissātus, a, um, Part. [id.]
* Pressed together, thickened, condensed, dense (very rare): solum conspissatum et herbis colligatum,Col. 2, 18, 5: vinacea,id. 12, 45, 3: creta,Plin. 35, 6, 18, § 36.
Charlton T. Lewis, Charles Short, A Latin Dictionary