A lake, fed by alkaline springs, that has no outlet

a biscuit (cookie), having a breadlike consistency, leavened with soda and buttermilk

(US, archaic) A soda jerk.

A saltine; a soda biscuit.

(US) A counter, in a shop, at which sodas, ice-creams etc are prepared and served. / (US) An apparatus for dispensing carbonated soft drinks.

sodium carbonate used as a laundry aid

Soda water flavoured with vanilla etc.

(Canada, US) carbonated water

(US) the glass in which drinks are served in a soda fountain / glass manufactured using soda ash

Used attributively to describe a fire extinguisher that generates a stream of water powered by carbon dioxide generated by reacting sulfuric acid with sodium bicarbonate