BUTTONHOLE
buttonhole, button hole
(noun) a hole through which buttons are pushed
lobby, buttonhole
(verb) detain in conversation by or as if by holding on to the outer garments of; as for political or economic favors
Source: WordNet® 3.1
Etymology
Noun
buttonhole (plural buttonholes)
A hole through which a button is pushed to secure a garment or some part of one.
(chiefly, British) A flower worn in a buttonhole for decoration.
Synonym: boutonniere
(medicine) A small slot-like cut or incision, made for example by an accident with the scalpel.
Verb
buttonhole (third-person singular simple present buttonholes, present participle buttonholing, simple past and past participle buttonholed)
To detain (a person) in conversation against their will.
Synonyms: accost, waylay
Source: Wiktionary
But"ton*hole`, n.
Definition: The hole or loop in which a button is caught.
But"ton*hole`, v. t.
Definition: To hold at the button or buttonhole; to detain in conversation
to weariness; to bore; as, he buttonholed me a quarter of an hour.
Source: Webster’s Unabridged Dictionary 1913 Edition