from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A lightweight medieval throwing-axe
from the GNU version of the Collaborative International Dictionary of English
- n. See whirlbat.
from The Century Dictionary and Cyclopedia
- n. A kind of club or cudgel, so called because whirled around the head. It does not appear that such a weapon was thrown.
- n. A bat or club with a broad curved end used in one form of the game of hurling.
Sorry, no etymologies found.
On second thought, I don’t think a hurlbat is similar to a shurikan.