sheave

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sheave

[shēv]
(design engineering)
A grooved wheel or pulley.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

sheave

1. Same as pulley sheave.
2. A grooved wheel or pulley used to assist in pulling cable; especially used in underground installations between manholes.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.