|1.||any of a number of simple inorganic compounds of sodium, such as sodium carbonate (washing soda), sodium bicarbonate (baking soda), and sodium hydroxide (caustic soda)|
|2.||See soda water|
|3.||(US), (Canadian) a fizzy drink|
|4.||the top card of the pack in faro|
|5.||slang (Austral) a soda something easily done; a pushover|
|[C16: from Medieval Latin, from sodanum barilla, a plant that was burned to obtain a type of sodium carbonate, perhaps of Arabic origin]|
soda so·da (sō'də)
Any of various forms of sodium carbonate.
Chemically combined sodium.