a cold dish of various mixtures of raw or cooked vegetables, usually seasoned with oil, vinegar, or other dressing and sometimes accompanied by meat, fish, or other ingredients:a green salad [mass noun]:bowls of salad
[mass noun, with modifier] a mixture containing a specified ingredient served with a dressing:a red pepper filled with tuna salad
a vegetable suitable for eating raw:sow salads like lettuce, radish, and spring onion
one's salad days
the period when one is young and inexperienced:the war seemed to be ending and so were my salad days
the peak or heyday of something:journey back to the salad days of the railways
[from Shakespeare's Antony and Cleopatra i. v. 73]
late Middle English: from Old French salade, from Provençal salada, based on Latin sal 'salt'