par ‧ boil /ˈpɑːbɔɪl $ ˈpɑːr-/ BrE AmE verb [transitive]
[ Date: 1400-1500 ; Language: Old French ; Origin: parboillir 'to boil thoroughly' , from Late Latin , from Latin per- 'thoroughly' + bullire 'to boil' ; influenced by part ]
to boil something until it is partly cooked