1 a person who collects, esp. things of interest as a hobby.
2 a person who collects money etc. due (tax-collector; ticket-collector).
3 Electronics the region in a transistor that absorbs carriers of a charge.
Phrases and idioms:
collector's item (or piece) a valuable object, esp. one of interest to collectors.
Etymology: ME f. AF collectour f. med.L collector (as COLLECT(1))
Useful english dictionary. 2012.