Defn: Aquatic. [R.]
AQUATILE
Aq"ua*tile, a. Etym: [L. aquatilis: cf. F. aquatile.]
Defn: Inhabiting the water. [R.] Sir T. Browne.
AQUATINT; AQUATINTA
A"qua*tint, A`qua*tin"ta, n. Etym: [It. acquatinta dyed water; acqua
(L. aqua) water + tinto, fem. tinta, dyed. See Tint.]
Defn: A kind of etching in which spaces are bitten by the use of aqua fortis, by which an effect is produced resembling a drawing in water colors or India ink; also, the engraving produced by this method.
AQUEDUCT Aq"ue*duct, n. Etym: [F. aqueduc, OF. aqueduct (Cotgr.), fr. L. aquaeductus; aquae, gen. of aqua water + ductus a leading, ducere to lead. See Aqua, Duke.]
1. A conductor, conduit, or artificial channel for conveying water, especially one for supplying large cities with water.
Note: The term is also applied to a structure (similar to the ancient aqueducts), for conveying a canal over a river or hollow; more properly called an aqueduct bridge.
2. (Anat.)
Defn: A canal or passage; as, the aqueduct of Sylvius, a channel connecting the third and fourth ventricles of the brain.