し閉shiめるmeru
1.
To create a barrier by moving a door, window, or similar object to block an opening, preventing access or entry.
2.
To tighten or secure something, such as a string or belt, in order to eliminate looseness and ensure it remains in place.
3.
To bring an end to an event or operational period, such as finishing business for the day or permanently ceasing operations.
4.
To calculate final totals for accounts or records, often at the end of a specified period, marking the completion of a phase.
5.
To compel oneself or others to maintain focus and discipline, eliminating any laxity in behavior or actions.
Example:
どうかドアを閉めてくれませんか。