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stant without deliberation. -- Snap lock, a lock shutting with a catch or snap. -- Snap riveting, riveting in which the rivets have snapheads formed by a die or swaging tool. -- Snap shot, a quick offhand shot, without deliberately taking aim.

A hemispherical or rounded head to a rivet or bolt; also, a swaging tool with a cavity in its face for forming such a rounded head.

ries of parts) on each side of a median line alternately, as the spokes of a wheel or the rivets of a boiler seam.

To become somewhat displaced or loosened; as, a rivet or a seam may start under strain or pressure. To start after, to set out after; to follow; to pursue. -- To start against, to act as a rival candidate against. -- To start for, to be a candidate for, as an office. -- To start up, to rise suddenly, as from a seat…

The grivet.

A stool or other thing supported by three legs; a trivet.

. -- Tubular bridge, a bridge in the form of a hollow trunk or tube, made of iron plates riveted together, as the Victoria bridge over the St. Lawrence, at Montreal, Canada, and the Britannia bridge over the Menai Straits. -- Tubular girder, a plate girder having two or more vertical webs with a space between them.…

The grivet.

In steam boilers and sheet-iron work, a strip riveted upon the edges of plates that form a butt joint.