the stem of VOMIT v. used in a few combinations, as † vomit-grass, a grass causing vomiting in dogs; vomit-nut, = VOMIC NUT (Simmonds, Dict. Trade, 1858); vomit-wort U.S., Indian tobacco (Lobelia inflata).

1

1808.  T. Jefferson, Writ. (1830), IV. 119. Your presence will be to them what the vomit-grass is to a sick dog.

2