泉螺

Fountain \Foun"tain\ (foun"t[i^]n), n. [F. fontaine, LL.
fontana, fr. L. fons, fontis. See 2d {Fount}.]
1. A spring of water issuing from the earth.

2. An artificially produced jet or stream of water; also, the
structure or works in which such a jet or stream rises or
flows; a basin built and constantly supplied with pure
water for drinking and other useful purposes, or for
ornament.

3. A reservoir or chamber to contain a liquid which can be
conducted or drawn off as needed for use; as, the ink
fountain in a printing press, etc.

4. The source from which anything proceeds, or from which
anything is supplied continuously; origin; source.

Judea, the fountain of the gospel. --Fuller.

Author of all being,
Fountain of light, thyself invisible. --Milton.

{Air fountain}. See under {Air}.

{Fountain heead}, primary source; original; first principle.
--Young.

{Fountain inkstand}, an inkstand having a continual supply of
ink, as from elevated reservoir.

{Fountain lamp}, a lamp fed with oil from an elevated
reservoir.

{Fountain pen}, a pen with a reservoir in the handle which
furnishes a supply of ink.

{Fountain pump}.
(a) A structure for a fountain, having the form of a pump.
(b) A portable garden pump which throws a jet, for
watering plants, etc.

{Fountain shell} (Zo["o]l.), the large West Indian conch
shell ({Strombus gigas}).

{Fountain of youth}, a mythical fountain whose waters were
fabled to have the property of renewing youth.

Tridacna \Tri*dac"na\, n. [L., pl., a kind of oysters, fr. Gr. ?
eaten at three bites, ? tri- + ? to bite.] (Zo["o]l.)
A genus of very large marine bivalve shells found on the
coral reefs of the Indian and Pacific Oceans. One species
({Tridacna gigas}) often weighs four or five hundred pounds,
and is sometimes used for baptismal fonts. Called also {paw
shell}, and {fountain shell}.