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Oddly known as potstickers in English (and in Boston, even more oddly known as Peking ravioli), these thick-skinned dumplings from northern China are steamed and then pan-fried, with a meat filling.
Trivia
As you may have guessed, the name Peking ravioli was coined to appeal to the large Italian community in Boston, by pioneering Chinese-American chef Joyce Chen). And potsticker was coined by Chinese-American physician and author Buwei Yang Chao (along with the term stir-fry) in the classic How to Cook and Eat in Chinese.