From Longman Dictionary of Contemporary Englishspaghettispa‧ghet‧ti /spəˈɡeti/ ●●● S3 noun [uncountable] 
DFFa type of pasta in very long thin pieces, that is cooked in boiling waterspaghetti bolognaise British English (=cooked spaghetti served with a meat and tomato sauce) → macaroni, tagliatelle
DFFa type of pasta in very long thin pieces, that is cooked in boiling waterspaghetti bolognaise British English (=cooked spaghetti served with a meat and tomato sauce) → macaroni, tagliatelleExamples from the Corpus
spaghetti• Well known pastas such as spaghetti and lasagne are still the best-selling products.• A night out for her is a church spaghetti supper, not a wine-tasting dinner.• Sometimes there is pure chaos: The two lines just fill the cube with colored spaghetti.• I picture Victor cooking spaghetti in his bedsitter, and I realize it's happened to him too.• But I like spaghetti here, with my salad and vinegar and oil running into it.• I also love spaghetti with a simple sauce - pasta's great for weight watchers.• Small tin of spaghetti or baked beans in tomato sauce.• Sugared spaghetti with glazed meatballs and honeydew spinach.spaghetti bolognaise• Bleakly, he sat at the kitchen table eating spaghetti bolognaise out of a tin.• A good day's diet is spaghetti bolognaise for tea.• Female speaker They'd have to serve her favourite dish which is spaghetti bolognaise.Origin spaghetti (1800-1900) Italian spago “string” 