n. a statistical measure of the relationship of two variables, formed by multiplying the difference of each variable from its mean, both variables being measured at the same time, and averaging all such products. [ WordNet 1.5 +PJC ]

n. (Higher Alg.) A function involving the coefficients and the variables of a quantic, and such that when the quantic is lineally transformed the same function of the new variables and coefficients shall be equal to the old function multiplied by a factor. An invariant is a like function involving only the coefficients of the quantic. [ 1913 Webster ]

n. [ AS. cofa room; akin to G. koben pigsty, orig., hut, Icel. kofi hut, and perh. to E. cobalt. ] [ 1913 Webster ]

1. A retired nook; especially, a small, sheltered inlet, creek, or bay; a recess in the shore. [ 1913 Webster ]

Vessels which were in readiness for him within secret coves and nooks. Holland. [ 1913 Webster ]

2. A strip of prairie extending into woodland; also, a recess in the side of a mountain. [ U.S. ] [ 1913 Webster ]

3. (Arch.) (a) A concave molding. (b) A member, whose section is a concave curve, used especially with regard to an inner roof or ceiling, as around a skylight. [ 1913 Webster ]

n. [ A gypsy word, covo that man, covi that woman. ] A boy or man of any age or station. [ Slang ] [ 1913 Webster ]

There's a gentry cove here. Wit's Recreations (1654). [ 1913 Webster ]

Now, look to it, coves, that all the beef and drink
Be not filched from us. Mrs. Browning. [ 1913 Webster ]

v. t. [ CF. F. couver, It. covare. See Covey. ] To brood, cover, over, or sit over, as birds their eggs. [ Obs. ] [ 1913 Webster ]

Not being able to cove or sit upon them [ eggs ], she [ the female tortoise ] bestoweth them in the gravel. Holland. [ 1913 Webster ]

v. t. [ imp. & p. p. Coved p. pr. & vb. n. Coving. ] (Arch.) To arch over; to build in a hollow concave form; to make in the form of a cove. [ 1913 Webster ]

The mosques and other buildings of the Arabians are rounded into domes and coved roofs. H. Swinburne. [ 1913 Webster ]

Coved ceiling, a ceiling, the part of which next the wail is constructed in a cove. --
Coved vault, a vault composed of four coves meeting in a central point, and therefore the reverse of a groined vault. [ 1913 Webster ]

{ } n. [ After Covelli, the discoverer. ] (Min.) A native sulphide of copper, occuring in masses of a dark blue color; -- hence called indigo copper. [ 1913 Webster ]

a. [ OF. covenable, F. convenable. See Covenant. ] Fit; proper; suitable. [ Obs. ] “A covenable day.” Wyclif (Mark vi. 21). [ 1913 Webster ]

adv. Fitly; suitably. [ Obs. ] “Well and covenably.” Chaucer. [ 1913 Webster ]

v. t. To grant or promise by covenant. [ 1913 Webster ]

My covenant of peace that I covenanted with you. Wyclif. [ 1913 Webster ]