Examples from the Web for swallowtail
To the left at one tip of the crescent the flash of Swallowtail Light glowed and died like the fire in a gigantic cigarette.The Harbor of Doubt|Frank Williams
Old Swallowtail reached the stone-yard and climbed the fence.Mary Louise in the Country|L. Frank Baum (AKA Edith Van Dyne)
They are all getting good pay, so they sent to the States for swallowtail suits an they started.
The Red Star line followed in 1821, and soon after the Swallowtail line.Fifth Avenue|Arthur Bartlett Maurice
I aint in a swallowtail coat, but every one knows me, and they know that Ive been up in the roof tryin to stop a leak.