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An aquatic bird, the glaucous gull (Larus glaucus), common in arctic regions.

ting or destroying small particles of, as by action of a strong acid or a caustic alkali. Aqua fortis corroding copper . . . is wont to reduce it to a green- blue solution. Boyle.

Familiar aquaintance; familiarity. [Obs.] Age can not wither her, nor custom stale Her infinite variety. Shak. Custom of merchants, a system or code of customs by which affairs of commerce are regulated. -- General customs, those which extend over a state or kingdom. -- Particular customs, those which are limited to…

The tribe of aquatic Amphibia which includes Amphiuma, Menopoma, etc. They have permanent gill openings, but no external gills; -- called also Cryptobranchiata. [Written also Derotrema.]

The water ouzel (Cinolus aquaticus) of Europe.

The aquatic larva of a large neuropterous insect (Corydalus cornutus), used as bait in angling. See Hellgamite.

falcon. (b) In England: The marsh harrier or moor buzzard. -- Duck mole (Zoöl.), a small aquatic mammal of Australia, having webbed feet and a bill resembling that of a duck (Ornithorhynchus anatinus). It belongs the subclass Monotremata and is remarkable for laying eggs like a bird or reptile; -- called also duckbill…

An aquatic herbivorous mammal (Halicore dugong), of the order Sirenia, allied to the manatee, but with a bilobed tail. It inhabits the Red Sea, Indian Ocean, East Indies, and Australia. [Written also duyong.]

French name for brandy. Cf. Aqua vitæ, under Aqua. Bescherelle.

The European green woodpecker; -- also called ecall, eaquall, yaffle. [Prov. Eng.]

Pertaining to Egypt, in Africa. Egyptian bean. (Bot.) (a) The beanlike fruit of an aquatic plant (Nelumbium speciosum), somewhat resembling the water lily. (b) See under Bean,

lied genera, which live in the adult or winged state only for a short time. The larvæ are aquatic; -- called also day fly and May fly.

The common newt or eft. In America often applied to several species of aquatic salamanders. [Written also evat.]

An aquatic plant (Hottonia palustris), having finely divided leaves.

or covered wholly or partially with water, but producing sedge, coarse grasses, or other aquatic plants; boggy land; moor; marsh. 'Mid reedy fens wide spread. Wordsworth.

An aquatic plant, with long, ensiform leaves, belonging to either of the genera Iris and Acorus. Cooper's flag, the cat-tail (Typha latifolia), the long leaves of which are placed between the staves of barrels to make the latter water-tight. -- Corn flag. See under 2d Corn. -- Flag broom, a coarse of broom, originall…

otection to ships riding at anchor to leeward. Knight. -- Floating heart (Bot.), a small aquatic plant (Limnanthemum lacunosum) whose heart-shaped leaves float on the water of American ponds. -- Floating island, a dish for dessert, consisting of custard with floating masses of whipped cream or white of eggs. -- Floa…

ung, and when dried used for stanching wounds. -- Giant salamander (Zoöl.), a very large aquatic salamander (Megalobatrachus maximus), found in Japan. It is the largest of living Amphibia, becoming a yard long. -- Giant squid (Zoöl.), one of several species of very large squids, belonging to Architeuthis and allied g…

An organ for aquatic respiration; a branchia. Fishes perform respiration under water by the gills. Ray.

The aquatic larva of a gnat; -- called also, colloquially, wiggler.