n. [ Leuc- + L. oleum oil. ] (Chem.) A nitrogenous organic base from coal tar, and identical with quinoline. Cf. Quinoline. [ 1913 Webster ]

a. (Zool.) Shore-inhabiting; of or pertaining to the Limicolæ. [ 1913 Webster ]

{ n. Also }. [ From NL. Areca, a genus of palms bearing betel nut. ] An oily liquid substance, C8H13O2N, the chief alkaloid of the betel nut, to which the latter owes its anthelmintic action.
Syn. -- arecholine; arecaline; methylarecaidin; methyl N-methyltetrahydronicotinate; 1, 2, 5, 6-tetrahydro-1-methyl-3-pyridinecarboxylic acid methyl ester. [ Webster 1913 Suppl. ]

n. [ L. pix, picis, pitch + oleum oil + -ine. ] (Chem.) Any one of three isometric bases (C6H7N) related to pyridine, and obtained from bone oil, acrolein ammonia, and coal-tar naphtha, as colorless mobile liquids of strong odor; -- called also methyl pyridine. [ 1913 Webster ]

a. (Zool.) Rock-inhabiting. [ 1913 Webster ]

a. [ Gr. sa`rx, sa`rkos, flesh. ] (Min.) Flesh-colored. [ 1913 Webster ]

a. [ L. saxum a rock + colere to inhabit. ] (Zool.) Stone-inhabiting; pertaining to, or having the characteristics of, the stonechats. [ 1913 Webster ]

a. [ L. sylva, silva, forest + colere to inhabit. ] (Zool.) Of or pertaining to the family of warblers (Sylvicolidae). See Warbler. [ 1913 Webster ]