| A-OK or A-okay | |
| —adj | |
| informal chiefly (US) in perfect working order; excellent | |
| [C20: from a(ll systems) OK] | |
| A-okay or A-okay | |
| —adj | |
| [C20: from a(ll systems) OK] | |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
A-OK definition
|
| A-OK in perfect condition or order |