Found 2 items, similar to swallowtail.
English → English (WordNet) Definition: swallowtail swallowtail n : a man's full-dress jacket with two long tapering tails at the back [syn: swallow-tailed coat, morning coat]
English → English (gcide) Definition: swallowtail Priestcap \Priest"cap`\, n. (Fort.) A form of redan, so named from its shape; -- called also swallowtail. [1913 Webster]