patellapatella /pəˈtɛlə/ noun [countable] 
science, biology your kneecap
science, biology your kneecap- disappoint
- disappointed
- disappointing
- disappointingly
- disappointment
- disapprobation
- disapproval
- disapprove
- disapproving
- disapprovingly
- disarm
- disarmament
- disarming
- disarmingly
- disarrange
- disarrangement
- disarray
- disassemble
- disassembly
- disassociate
- disaster
- disaster area
- disaster relief
- disastrous
- disastrously