tabulator

From tabulate +‎ -or.

tabulator (plural tabulators)

1. A person who counts or tabulates things.
2. The mechanism on a typewriter that sets the position of columns and borders.
3. (computing) A tab character.
   • 2004, Kari Laitinen, A Natural Introduction to Computer Programming with C#, page 110:

     You can put a tabulator in all those places where a space is allowed. A tabulator character corresponds to, for example, 4 spaces in the program editor.

4. (computing, historical) An early data processing machine that produces printed lists and totals from data on punched cards.

Borrowed from French tabulateur.

tabulator n (plural tabulatoare)

1. tabulator