- noting a vessel regarded by a shipping-classification society as being equipped to the highest standard and with equipment maintained in first-class condition.
- Also A number one. Informal. first-class; excellent; superior: The meals there are A one.
Origin of A one
Examples from the Web for a-1
They give him a sandwich, begin driving away, and the man slips back into his Walt Jr. voice to exclaim: "Have an A-1 day!"
First, the YouTube concerns: "Homeless guys don't watch breaking bad," one user says, as others note the "A-1 day!"
Dressed entirely in beige, working the A-1 cash register, it was clear that Walt no longer wanted to be Heisenberg.Latest ‘Breaking Bad’ Episode, ‘Ozymandias,’ Is Most Action-Packed Yet
September 16, 2013
Glamour called them an “A-1 male offender,” after polling men to find out the things women wear that they hate most.The Uncomfortable Truth About Clogs
July 31, 2013
One instance each of A-1 and A1, and cooee and coo-e-e were retained.The Jolliest School of All</p>
A-1 is the distance from the working edge of the rail to the first dowel.Handwork in Wood</p>
"Your engine seems to be in A-1 condition," Bill was saying.Dorothy Dixon Wins Her Wings
I can see you're an A-1 scout, good at observing and deducing and all that.Tom Slade at Black Lake
Percy Keese Fitzhugh
She can rope and tie and brand it as quick as any man; She's voted by all cowboys an A-1 top cow hand.Cowboy Songs
Word Origin and History for a-1
in figurative sense of "first-rate," 1837, in Dickens; from Lloyd's of London designation for ships in first-class condition (with the letter referring to the condition of the ship and the number to that of the stores).