The phrase "a stool at a" is correct and usable in written English.
It can be used when referring to a specific location or setting, often in a bar or restaurant context, where someone is seated on a stool.
Example: "She found a stool at a cozy corner of the café to enjoy her coffee."
Alternatives: "a seat at a" or "a chair at a".
I could have been on a stool at a soda fountain.
AVA, Mo. — A child takes a stool at a soda fountain, drops a nickel on the counter and orders a chocolate ice cream cone.
During his off hours, he makes handbags with hand-cut leather flowers from thrift shop jackets while seated on a stool at a table in his apartment in the Los Feliz area.
"Sitting on a stool at a bar next to my father, listening to his stories," he said, "I was beginning to know all the people that he knew and have affection and respect for them as he did.
Take a stool at a bar or a chair at one of the many terraces and you can expect to meet local writers, poets, musicians and artists, who'll most likely have time for a beer and a chat.
Mr. Cheney, seated on a stool at a forum in Carroll, Ohio, went on to list steps President Bush had taken, including the invasions of Afghanistan and Iraq, to protect the country and diminish terrorism abroad.
10 p.m. 4. THE SIDEWALK SCENE After dinner, pull up a stool at an outdoor table beneath the jacarandas in Barrio del Artista, where the arched portals of a former market have been converted into closet-size studios.
It can also lead to you sitting on the toilet trying desperately to pass a stool that turns out not to be a stool at all.
The doctor took a stool at the bar & ordered a beer.
Snagging a seat by the windows can be difficult, but even a stool at the bar affords a spectacular view of the sun dipping below the Pacific Ocean horizon.
Get there early, a stool at the bar and order a plate (or two) with a beer and a green papaya salad on the side.
