The Collaborative International Dictionary
Parboil \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 1st Boil.]
To boil or cook thoroughly. [Obs.]
--B. Jonson.To boil in part; to cook partially by boiling.
Hence: (Fig.) To do (something) only part way, or incompletely. Also used intransitively.
Wiktionary
n. The act by which something is parboiled. vb. (present participle of parboil English)
Wikipedia
Parboiling (or leaching) is the partial boiling of food as the first step in cooking. The word is a portmanteau of partial and boil.
The word is often used when referring to parboiled rice. Parboiling can also be used for removing poisonous or foul-tasting substances from foodstuffs, and to soften vegetables before roasting them.
Usage examples of "parboiling".
By the time she had arrived at the party in an armored taxi, the revels had already reached the point at which the most attractive women and the better muscled men had already begun stripping down to undergarments, and some had been nakedly parboiling themselves in the hot tub or swimming in the chilled pool or lolling around one of the low banquet tables, nibbling at exotic delicacies or each other.
Later, upon consulting one of the reference flecks, Teresa learned that she should have prepared the bird by parboiling it and dumping out the malflavored water several times.
Fire, scorching, parboiling my hand as I tried to hold it back with my shield bracelet.
The gait was easy, but the small of his back still hurt and the sun had turned his breastplate into a bake-oven, parboiling his torso in his own sweat.