Part 374

Riv"et, v. t. [imp. & p. p. Riveted; p. pr. & vb. n. Riveting.] 1. To fasten with a rivet, or with rivets; as, to rivet two pieces of iron.

2. To spread out the end or point of, as of a metallic pin, rod, or bolt, by beating or pressing, so as to form a sort of head.

3. Hence, to fasten firmly; to make firm, strong, or immovable; as, to rivet friendship or affection.

Rivet and nail me where I stand, ye powers!

Congreve.

Thus his confidence was riveted and confirmed.

Sir W. Scott.

Riv"et*er (?), n. One who rivets.

Riv"et*ing, n. 1. The act of joining with rivets; the act of spreading out and clinching the end, as of a rivet, by beating or pressing.

2. The whole set of rivets, collectively. Tomlinsin.

Butt riveting, riveting in which the ends or edges of plates form a butt joint, and are fastened together by being riveted to a narrow strip which covers the joint. -- Chain riveting, riveting in which the rivets, in two or more rows along the seam, are set one behind the other. -- Crossed riveting, riveting in which the rivets in one row are set opposite the spaces between the rivets in the next row. -- Double riveting, in lap riveting, two rows of rivets along the seam; in butt riveting, four rows, two on each side of the joint. -- Lap riveting, riveting in which the ends or edges of plates overlap and are riveted together.

Ri*vose" (?), a. [From L. rivus a brook, channel.] Marked with sinuate and irregular furrows.

Riv"u*let (?), n. [Earlier rivolet, It. rivoletto, a dim. fr. rivolo, L. rivulus, dim. of rivus a brook. CF. Rival, Rite.] A small stream or brook; a streamlet.

By fountain or by shady rivulet He sought them.

Milton.

Rix*a"tion (?), n. [L. rixari, p. p. rixatus, to brawl, fr. rixa a quarrel.] A brawl or quarrel. [Obs.]

||Rix*a"trix (?), n. [L.] (Old Eng. Law) A scolding or quarrelsome ||woman; a scold. Burrill.

||Rix"da`ler (?), n. A Dutch silver coin, worth about $1.00.

Rix"-dol`lar (?), n. [Sw. riksdaler, or Dan. rigsdaler, or D. rijksdaalder, or G. reichsthaler, literally, dollar of the empire or realm, fr. words akin to E. rich, and dollar. See Rich, Dollar.] A name given to several different silver coins of Denmark, Holland, Sweden,, NOrway, etc., varying in value from about 30 cents to $1.10; also, a British coin worth about 36 cents, used in Ceylon and at the Cape of Good Hope. See Rigsdaler, Riksdaler, and Rixdaler.

Most of these pieces are now no longer coined, but some remain in circulation.

Riz"zar (?), v. t. [Etymol. uncertain.] To dry in the sun; as, rizzared haddock. [Scot.]

Roach (?), n. (Zoöl.) A cockroach.

Roach, n. [OE. rroche; cf. AS. reohha, D. rog, roch, G. roche, LG. ruche, Dan. rokke ray, Sw. rocka, and E. ray a fish.] 1. (Zoöl.) (a) A European fresh-water fish of the Carp family (Leuciscus rutilus). It is silver-white, with a greenish back. (b) An American chub (Semotilus bullaris); the fallfish. (c) The redfin, or shiner.

2. (Naut.) A convex curve or arch cut in the edge of a sail to prevent chafing, or to secure a better fit.

As sound as a roach [roach perhaps being a corruption of a F. roche a rock], perfectly sound.

Roach, v. t. 1. To cause to arch.

2. To cut off, as a horse's mane, so that the part left shall stand upright.

Roach"-backed` (?), a. Having a back like that of roach; -- said of a horse whose back a convex instead of a concave curve.