Alkaloid

a.	1.	Pertaining to, resembling, or containing, alkali.
	2.	of or pertaining to alkaloids.
n.	1.	(Chem.) An organic base, especially one of a class of nitrogen-containing substances occurring ready formed in the tissues of plants and the bodies of animals.

Noun

1.

alkaloid - natural nitrogen-containing bases found in plants

atropine, betaine, brucine, caffein, caffeine, curare, ephedrine, ergonovine, ergotamine, Ergotrate Maleate, hyoscine, hyoscyamine, nicotine, organic compound, physostigmine, pilocarpine, pseudoephedrine, rauwolfia, scopolamine, strychnine, tubocurarine