key screw
noun
A key used for gripping and turning screws; (also) a screw that can be turned by means of a separate key, or by an integral key-like head.
Origin
Early 19th century.
- preterition
- preteritive
- preteritive present
- preterito-presentia
- preterit perfect
- preterit-present
- preterm
- preterminal
- pretermission
- pretermit
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- preternaturalism
- preternaturalist
- preternaturality
- preternaturally
- preternaturalness
- preternature
- preterperfect
- preterrestrial
- preter-royal
- pretersensual
- pretersensuous
- pretest
- pretext
- pretexta