Answer: stovepipe

AnswerCrossword Clue
STOVEPIPELincoln hat.
stovepipeAn information conduit that traverses vertical levels efficiently but does not disperse widely
stovepipeThe pipe taking the smoke and gases from a stove up through a roof or to a chimney
stovepipea man's tall cylindrical (usu. silk) hat
STOVEPIPEHat worn by Abraham Lincoln
STOVEPIPELincoln's hat type
STOVEPIPENotable hat style in American history
STOVEPIPETall silk hat
STOVEPIPEFrosty's hat, e.g.
STOVEPIPELincoln's topper
STOVEPIPEHigh hat
STOVEPIPESilk hat: Colloq.
STOVEPIPEKind of hat of a century ago.
STOVEPIPELincoln's "Homburg."
STOVEPIPEHat worn by Lincoln.
STOVEPIPEAbe Lincoln's hat.
STOVEPIPELincoln's hat
STOVEPIPEPotbelly attachment
STOVEPIPELincoln trademark