D defs.my
Entry 2 senses Webster, 1913

Routine

/ro͞ot-ēn'/ · Rou·tine · IPA /ɹuˈtin/
01 n. A round of business, amusement, or pleasure, daily or frequently pursued; especially, a course of business or offical duties regularly or f…
  1. 1.
    A round of business, amusement, or pleasure, daily or frequently pursued; especially, a course of business or offical duties regularly or frequently returning.
  2. 2.
    Any regular course of action or procedure rigidly adhered to by the mere force of habit.