Definify.com
Webster 1913 Edition
Noli-me-tangere
‖
No′li-me-tan′ge-re
,Noun.
 [L., touch me not.] 
1. 
(Bot.) 
(a) 
Any plant of a genus of herbs (
Impatiens
) having capsules which, if touched when ripe, discharge their seeds. – See Impatiens
. (b) 
The squirting cucumber. See under 
Cucumber
. 2. 
(Med.) 
A name formerly applied to several varieties of ulcerous cutaneous diseases, but now restricted to 
Lupus exedens
, an ulcerative affection of the nose. Webster 1828 Edition
Noli-me-tangere
NOLI-ME-TANGERE
,Noun.
 1.
 A plant of the genus Impatiens, called also balsamine; also, a plant of the genus Momordica, or male balsam apple, one species of which is called the wild or spurting cucumber.2.
 Among physicians, an ulcer or cancer, a species of herpes.