1) to fasten one's self to, adhere to, cling to

a) to touch

b) of carnal intercourse with a women or cohabitation

c) of levitical practice of having no fellowship with heathen practices. Things not to be touched appear to be both women and certain kinds of food, so celibacy and abstinence of certain kinds of food and drink are recommended.

d) to touch, assail anyone

[View this word in Trench's Synonyms here.]