butterfly nut

butterfly nut

[′bəd·ər‚flī ‚nət]

(design engineering)

wing nut

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

wing nut

wing nut

winged bull

A nut having projections so that it can be tightened with one finger and the thumb.

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