A "small locker" refers to a small storage space where you can keep personal belongings or items. It is usually used in places like schools, gyms, or workplaces where people need a secure spot to store their things. Full definition
Airbnb guests can pick up and return keys though Vancouver's Keycafe, which installs small lockers in neighbourhood stores and restaurants. (canadianbusiness.com)
Clients also get a small locker featuring an electrical outlet, so they can sleep while charging their cell phones without worrying about theft. (dnainfo.com)
However many teachers are not thrilled as we are losing our personal workspaces to accommodate this (and being provided with a small locker for our belongings). (teachermagazine.com.au)