eye·piece 
(īpēs′)
(īpēs′)n.
The lens or lens group closest to the eye in an optical instrument; an ocular. Also called eyeglass.
- command line
- commandment
- command module
- commando
- command post
- comma splice
- commedia dell'arte
- comme il faut
- commemorate
- commemoration
- commemorative
- commemoratively
- commemorator
- commemoratory
- commence
- commencement
- commencer
- commend
- commendable
- commendably
- commendation
- commendatory
- commensal
- commensalism
- commensally