MEANING: noun: A detective.

ETYMOLOGY: After Allan Pinkerton (1819-1884), a private detective, who started a detective agency in 1850. Earliest documented use: 1874. Pinkerton may also be the origin of the term fink.

PINSKER TON - a rather nebulous measure of weight first described in southern Belarus, near the Ukranian border.

PINKEARTON - sound as heard by folks with colorful aural organs

PIN KARTON - where the seamstress or tailor keeps the sharp-pointed temporary fasteners