photo finish
noun Sports.
a finish of a race in which two or more contestants are so close to the finish line that reference to a photograph of the finish is necessary to determine the winner.
Origin of photo finish
First recorded in 1935–40
OTHER WORDS FROM photo finish
pho·to-fin·ish, adjectiveWords nearby photo finish
photism,
photius,
photo,
photo call,
photo essay,
photo finish,
photo layout,
photo op,
photo opportunity,
photo relief,
photo spread
British Dictionary definitions for photo finish
photo finish
noun
a finish of a race in which contestants are so close that a photograph is needed to decide the result
any race or competition in which the winners or placed contestants are separated by a very small margin