Webster's Revised Unabridged Dictionary · 1913

Delphinus

Delphinus , noun

[Latin, a dolphin, from Greek delfi`s, delfi`n.]

1.
(Zoology) A genus of Cetacea, including the dolphin. See Dolphin, 1.
2.
(Astronomy) The Dolphin, a constellation near the equator and east of Aquila.