From The Collaborative International Dictionary of English v.0.48:
Dagon \Da"gon\ (d[=a]"g[o^]n), [Heb. D[=a]gon, fr. dag a fish:
cf. Gr. Dagw`n.]
The national god of the Philistines, represented with the
face and hands and upper part of a man, and the tail of a
fish. --W. Smith.
[1913 Webster]
This day a solemn feast the people hold
To Dagon, their sea idol. --Milton.
[1913 Webster]
They brought it into the house of Dagon. --1 Sam. v. 2.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Dagon \Dag"on\ (d[a^]g"[o^]n), n. [See Dag a loose end.]
A slip or piece. [Obs.] --Chaucer.
[1913 Webster]