Rogets II: The New Thesaurus, Third Edition. 1995.
finger
VERB:
1.Slang. To establish the identification of: identify, pinpoint, place, recognize. Idioms: put one's finger on. SeeKNOWLEDGE. 2. To bring the hands or fingers, for example, into contact with so as to give or receive a physical sensation: feel, handle, palpate, touch. SeeTOUCH.