There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
Humpty-Bump Pull Top, Diamond Loop, Reverse Shark’s Tooth, Hammerhead, and Goldfish from the Top are all names of aerobatic maneuvers recorded in the Aresti System, designed by Spanish aviator Jose Luis de Aresti Aguirre as a means of recording such...
hammerhead n. a committed bicyclist; an aggressive or adventurous cyclist. (source: Double-Tongued Dictionary)
hammerhead n.— «Erik again let me get away, but not before we both got called hammerheads for plowing up one of the hairpins as we passed a big pack. “Hammerhead back!…. Another hammerhead back!”» —“Re: Death Ride, or ‘Where I Died On My Summer...
hammerhead n.— «National competitions have developed since the first “hammerhead,” a self-descriptive term used among hardcore bikers, plunged downhill on a ski slope.» —“Mountain bikers are taking the plunge in the Carrabassett Valley” by Brian...
hammerhead
n.— «Hammerhead—A road rider.» —“Even you can learn the lingo!” by Tom Steadman Greensboro News & Record (N.C.) May 9, 1993. (source: Double-Tongued Dictionary)

