pack ratˈpack rat noun [countable] 
American English informal someone who collects and stores things that they do not really need
American English informal someone who collects and stores things that they do not really need- antihero
- antihistamine
- anti-inflammatory
- anti-lock braking system
- antimatter
- antimony
- Antioch
- antioxidant
- antiparticle
- antipasto
- antipathetic
- antipathy
- anti-personnel
- anti-perspirant
- Antipodean
- Antipodes
- antiquarian
- antiquated
- antique
- Antiques Roadshow
- antiquity
- antiretroviral drug
- anti-Semite
- anti-Semitic
- anti-Semitism