1) Sedimentary rock 
Encrinites are a type of grain-supported bioclastic sedimentary rock in which all or most of the grains are crinoid ossicles. In older literature, the word is sometimes used to refer to individual fossil crinoids, but this usage is obsolete. Encrinites form in areas where disaggregated crinoid skeletal debris becomes concentrated, typically shallo...
• (n.) A fossil crinoid, esp. one belonging to, or resembling, the genus Encrinus. Sometimes used in a general sense for any crinoid.
En'cri·nite noun [ Greek ... in + ... a lily: confer French encrinite .] (Paleon.) A fossil crinoid, esp. one belonging to, or resembling, the genus Encrinus. Sometimes used in a general sense for any crinoid. 
a fossil crinoid.