| AIRFOILS | • airfoils n. Plural of airfoil. • AIRFOIL n. part of an aircraft providing lift or control. |
| CARFOXES | • CARFOX n. a place where four roads meet, also CARFAX. |
| FOURFOLD | • fourfold adj. Four times as great; quadruple. • fourfold adj. Comprised of four individual members. • fourfold adv. By a factor of four. |
| GAIRFOWL | • gairfowl n. Alternative form of garefowl. • GAIRFOWL n. (Old Norse) the great auk, also GAREFOWL. |
| MERFOLKS | • merfolks n. Plural of merfolk. • MERFOLK n. mermen and mermaids. |
| MOORFOWL | • moorfowl n. The red grouse. • MOORFOWL n. a red, or black, grouse. |
| OVERFOLD | • overfold n. (Geology) A fold whereby the strata are forced through an angle of more than 90 degrees, so that younger… • overfold v. (Transitive) To fold excessively. • OVERFOLD v. to fold over. |
| OVERFOND | • overfond adj. Excessively fond. • over-fond adj. Alternative form of overfond. • OVERFOND adj. foolish to excess. |
| OVERFOUL | • overfoul v. (Transitive) To foul excessively. • OVERFOUL adj. excessively foul. |
| PARFOCAL | • parfocal adj. Having multiple lenses that have corresponding focal points in the same plane. • PARFOCAL adj. having lenses with corresponding focal points in the same plane. |
| PERFORCE | • perforce adv. (Archaic) By force. • perforce adv. Necessarily; by necessity. • perforce v. (Obsolete) To force; to compel. |
| PERFORMS | • performs v. Third-person singular simple present indicative form of perform. • PERFORM v. to begin and carry through to completion. |