Laserwort \La"ser*wort`\ (l[=a]"s[~e]r*w[^u]rt`), n. [L. laser
the juice of the laserwort.] (Bot.)
Any plant of the umbelliferous genus {Laserpitium}, of
several species (as {Laserpitium glabrum}, and {Laserpitium
siler}), the root of which yields a resinous substance of a
bitter taste. The genus is mostly European.
[1913 Webster]