Is tuna (ham/egg/chicken...) salad a "salad"?

[Q.Q.Switcheroo]

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Fawlty Towers: Spanish Omelettes and Cheese Salads

These are questions that have been nagging at me for years, based on the Fawlty Towers episode “The Hotel Inspectors.” When Mr. Hutchinson—the guest with an oddly formal and elaborate manner of speaking and slightly odd requests that Basil finds extremely irritating—orders his meal, he first asks for a Spanish omelette. He eventually rejects the Spanish omelette because the kitchen uses frozen peas instead of fresh peas. What I know as a Spanish omelette is a type of egg-and-potato frittata. …