roll

roll

1. a cylinder used to flatten something; roller

2. a very rapid beating of the sticks on a drum

3. a flight manoeuvre in which an aircraft makes one complete rotation about its longitudinal axis without loss of height or change in direction

4. a throw of dice

5. a bookbinder's tool having a brass wheel, used to impress a line or repeated pattern on the cover of a book

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

roll

[rōl]

(geology)

A primary sedimentary structure produced by deformation involving subaqueous slump or vertical foundering.

(mechanics)

Rotational or oscillatory movement of an aircraft or similar body about a longitudinal axis through the body; it is called roll for any degree of such rotation.

(mechanical engineering)

A cylinder mounted in bearings; used for such functions as shaping, crushing, moving, or printing work passing by it.

(mining engineering)

horseback

(textiles)

A continuous strand made by rolling, rubbing, or twisting fibers.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

roll

rod target

1. A rounded strip fastened to, and running along, the ridge of a roof.

2. In a roof covered

McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

roll

The motion of an aircraft about its longitudinal axis. The rolling motion is controlled primarily by ailerons.

An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved