Defn: Two in a year; semiannual.
— adv. Twice in a year; semiannually.
HALIBUT Hal"i*but (;277), n. Etym: [OE. hali holy + but, butte, flounder; akin to D. bot, G. butte; cf. D. heilbot, G. heilbutt. So named as being eaten on holidays. See Holy, Holiday.] (Zoöl.)
Defn: A large, northern, marine flatfish (Hippoglossus vulgaris), of the family Pleuronectidæ. It often grows very large, weighing more than three hundred pounds. It is an important food fish. [Written also holibut.]
HALICHONDRIAE
Hal`i*chon"dri*æ, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: An order of sponges, having simple siliceous spicules and keratose fibers; — called also Keratosilicoidea.
HALICORE
Hal"i*core (; L.), n. Etym: [NL., fr. Gr.
Defn: Same as Dugong.
HALIDOM Hal"i*dom, n. Etym: [AS. haligd holiness, sacrament, sanctuary, relics; halig holy + -d, E. -dom. See Holy.]
1. Holiness; sanctity; sacred oath; sacred things; sanctuary; — used chiefly in oaths. [Archaic] So God me help and halidom. Piers Plowman. By my halidom, I was fast asleep. Shak.
2. Holy doom; the Last Day. [R.] Shipley.