Definition of "highboy"

mahogany highboys glittering with brass handles

1897, Katharine Lee Bates, American Literature

[…] the well-known Pennsylvania "Highboy," which is only the English "Tallboy" double-chest elevated on cabriole legs […]

1929 June, Herbert Cescinsky, “American furniture problems”, in The Burlington Magazine for Connoisseurs, volume 54, number 315, page 313

During the Queen Anne period in America, the highboy attained its characteristic form. [...] The cabriole leg was a distinctive feature developed in the Queen Anne period; its shape repeats the S-curve that dominated all Queen Anne design.

(US) National Gallery of Art