Wordnet 3.0
NOUN (1)
1. 
 the operation that prepares for the next character to be printed or displayed as the first character on a line; 
WordNet (r) 3.0 (2006):
carriage return
    n 1: the operation that prepares for the next character to be
         printed or displayed as the first character on a line
The Free On-line Dictionary of Computing (30 December 2018):
carriage return
    (CR, Control-M, ASCII 13) The character which
   causes the cursor to move to the left margin, often used
   with line feed to start a new line of output.
   Encoded in C and Unix as "\r".
   (1996-06-24)