Webster's Revised Unabridged Dictionary · 1913

Hornpipe

Hornpipe , noun

(a)
(Music) An instrument of music formerly popular in Wales, consisting of a wooden pipe, with holes at intervals. It was so called because the bell at the open end was sometimes made of horn.
(b)
(Music) A lively tune played on a hornpipe, for dancing; a tune adapted for such playing.
Many a hornpipe he tuned to his Phyllis. — Sir W. Raleigh