from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A thick porterhouse steak taken from the small end of the loin and containing a T-shaped bone. Also called T-bone steak.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. T-bone steak
- v. Collide perpendicularly with the side of (chiefly) another vehicle.
from The Century Dictionary and Cyclopedia
- n. Same as tau-bone.
Elliptical form of T-bone steak. (Wiktionary)
From the ⊤ shape produced by the vehicles involved in such a collision, with allusion to T-bone ¹. (Wiktionary)