Par"boil` (?), v. t. [imp. & p. p. Parboiled (?); p. pr. & vb. n. Parboiling.] [OE. parboilen, OF. parbouillir to cook well; par through (see Par) + bouillir to boil, L. bullire. The sense has been influenced by E. part. See lst Boil.]
1.
To boil or cook thoroughly.
[Obs.]
B. Jonson.
2.
To boil in part; to cook partially by boiling.
<-- the only def. in MW10. Also, used figuratively for "do (something) partly, incompletely" -->
© Webster 1913.