Function: transitive verb
Date: 15th century
1 : to make a formal offer or declaration of < put in a plea of guilty>
2 : to come in with : INTERPOSE < put in a word for his brother>
3 : to spend (time) especially at some occupation or job < put in six hours at the office>
4 : PLANT < put in a crop>
intransitive verb
1 : to call at or enter a place especially : to enter a harbor or port
2 : to make an application, request, or offer ― often used with for <had to retire and put in for a pension ― Seymour Nagan>