Pigeonhole

kulkuaukko

(small opening for looking or passing things through; opening in a ship for passing equipment through)

lokero

(one of an array of open compartments in a desk, set of shelves, etc., used for sorting and/or storing letters, papers, or other items; one of an array of open compartments for receiving mail and other messages at a college, office, etc.)

pujotusaukko

(small opening for looking or passing things through; opening in a ship for passing equipment through)