LPR

Line Printer + Line Printer Remote

Lpr

Lpr is the Unix print program that uses a spooling daemon to print the specified files when facilities become available.
Found on http://www.probertencyclopaedia.com/browse/GL.HTM

lpr

Offline print, see Section 8.1.
Found on http://www.tldp.org/LDP/intro-linux/html/gloss.html

LPR

Type: Abbreviation Definitions: 1. Abbreviation for laryngopharyngeal reflux.
Found on http://www.medilexicon.com/medicaldictionary.php?t=51371
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