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The Collaborative International Dictionary of English v.0.48 (gcide)

Seal \Seal\ (s[=e]l), n. [OE. sele, AS. seolh; akin to OHG.
selah, Dan. sael, Sw. sj[aum]l, Icel. selr.] (Zool.)
Any aquatic carnivorous mammal of the families {Phocidae} and
{Otariidae}.
[1913 Webster]

Note: Seals inhabit seacoasts, and are found principally in
the higher latitudes of both hemispheres. There are
numerous species, bearing such popular names as {sea
lion}, {sea leopard}, {sea bear}, or {ursine seal},
{fur seal}, and {sea elephant}. The bearded seal
({Erignathus barbatus}), the hooded seal ({Cystophora
cristata}), and the ringed seal ({Phoca foetida}), are
northern species. See also {Eared seal}, {Harp seal},
{Monk seal}, and {Fur seal}, under {Eared}, {Harp},
{Monk}, and {Fur}. Seals are much hunted for their
skins and fur, and also for their oil, which in some
species is very abundant.
[1913 Webster]

{Harbor seal} (Zool.), the common seal ({Phoca vitulina}). It
inhabits both the North Atlantic and the North Pacific
Ocean, and often ascends rivers; -- called also {marbled
seal}, {native seal}, {river seal}, {bay seal}, {land
seal}, {sea calf}, {sea cat}, {sea dog}, {dotard},
{ranger}, {selchie}, {tangfish}.
[1913 Webster]


Ranger \Ran"ger\ (r[=a]n"j[~e]r), n.
1. One who ranges; a rover; sometimes, one who ranges for
plunder; a roving robber.
[1913 Webster]

2. That which separates or arranges; specifically, a sieve.
[Obs.] "The tamis ranger." --Holland.
[1913 Webster]

3. A dog that beats the ground in search of game.
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4. One of a body of mounted troops, formerly armed with short
muskets, who range over the country, and often fight on
foot.
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5. The keeper of a public park or forest; formerly, a sworn
officer of a forest, appointed by the king's letters
patent, whose business was to walk through the forest,
recover beasts that had strayed beyond its limits, watch
the deer, present trespasses to the next court held for
the forest, etc. [Eng.]

Note: Rangers in U.S. national parks and national monuments
perform a similar function.
[1913 Webster PJC]