"labatory" is probably misspelled. Trying lavatory instead Definition of lavatory
1
[ noun ] a room equipped with toilet facilities
2
[ noun ] a bathroom or lavatory sink that is permanently installed and connected to a water supply and drainpipe; where you wash your hands and face

Examples

"he ran some water in the basin and splashed it on his face"

3
[ noun ] a toilet that is cleaned of waste by the flow of water through it

Synonyms

flush_toilet

*