The Collaborative International Dictionary of English v.0.48:

Halicore \Hal"i*core\ (h[a^]l"[i^]*k[=o]r; L.
   h[.a]*l[i^]k"[-o]*r[=e]), n. [NL., fr. Gr. "a`ls sea + ko`rh
   maiden.]
   Same as Dugong.
   [1913 Webster]