noun
spaghetti squash
A type of winter squash whose flesh separates into spaghetti-like strands when cooked.
そうめんカボチャをゆでると、中身が麺みたいになる。
When you boil spaghetti squash, the inside becomes like noodles.
From そうめん (sōmen, thin wheat noodles) + カボチャ (kabocha, pumpkin/squash), referring to the noodle-like strands of the cooked flesh.