Wordnet 3.0
NOUN (1)
1. 
 the operation that prepares for the next character to be printed or displayed on the next line; 
WordNet (r) 3.0 (2006):
line feed
    n 1: the operation that prepares for the next character to be
         printed or displayed on the next line
The Free On-line Dictionary of Computing (30 December 2018):
line feed
    (LF, control-J, ASCII 10) The ASCII character
   meaning move the cursor down to the same column on the next
   line.  Originally this would have been done by "feeding" paper
   through the printer.
   Unix uses line feed as its text line terminator (newline
   character).
   (1997-07-14)