v. introduce; "Insert your ticket here"

v. break into a conversation; "her husband always chimes in, even when he is not involved in the conversation"

v. to insert between other elements; "She interjected clever remarks"

v. make an application as for a job or funding; "We put in a grant to the NSF"

v. set up for use; "install the washer and dryer"; "We put in a new sink"

v. keep or lay aside for future use; "store grain for the winter"; "The bear stores fat for the period of hibernation when he doesn't eat"

v. devote (time, effort, etc.) to a task; "He put in three hours every day at the hospital"