Tetra-lubisol in a spray bottle
A nurse with a spray bottle
A spray bottle was a container for storing and dispensing liquids in fine droplets.
Three spray bottles filled with colored liquids sat on Hikaru Sulu's table in USS Enterprise's botany section in 2266. (TOS: "The Man Trap")
Tetra-lubisol was kept in a spray bottle. In 2266, Lenore Karidian used such a bottle of the lubricant to poison Kevin Riley's drink. (TOS: "The Conscience of the King")
Spray bottles were also present in Enterprise's sickbay. In 2267, a nurse handed Doctor Leonard McCoy a tray filled with medical supplies, among them a spray bottle filled with a pink liquid. (TOS: "Space Seed")
Three spray bottles sat on the top shelf of a cabinet where Orientine acid was kept in 2269. (TAS: "The Survivor")