1. Composed of or inscribed on rock
   "rupestral drawings in the caves of Northern Spain"
   - rupicolous 
2. Growing on or living among rocks
   - saxicolous, saxatile, saxicoline, rupicolous

See also: rock

• Eichhornia crassipes
• Eichhornia spesiosa
• Eichmann
• eicosapentaenoic acid
• Eid
• eider
• eider duck
• eiderdown
• eidetic
• eidolon
• eidos
• Eiffel
• Eiffel Tower
• Eigen
• eigenstate
• eigenvalue
• eigenvalue of a matrix
• eigenvalue of a square matrix
• eigenvector
• eight
• eight ball
• eight-day
• eight-membered
• eight-sided
• eight-spot