The Collaborative International Dictionary
Dutchman \Dutch"man\, n.; pl. Dutchmen. A native, or one of the people, of Holland.
Dutchman's laudanum (Bot.), a West Indian passion flower ( Passiflora Murucuja); also, its fruit.
Dutchman's pipe (Bot.), .
Laudanum \Lau"da*num\, n. [Orig. the same wort as ladanum, ladbdanum: cf. F. laudanum, It. laudano, ladano. See Ladanum.] Tincture of opium, used for various medical purposes.
Note: A fluid ounce of American laudanum should contain the
soluble matter of one tenth of an ounce avoirdupois of
powdered opium with equal parts of alcohol and water.
English laudanum should have ten grains less of opium
in the fluid ounce.
--U. S. Disp.
Dutchman's laudanum (Bot.) See under Dutchman.