How does the word sound?
History of this Word
"thumb" is from "thuma", spoken by people in England during 450-1100 A.D.
"head" is from "headfod", spoken by people in England during 450-1100 A.D.
Type of head for a screw or bolt. Allows screw or bolt to be rotated without using a tool. Designed to be held by a person's fingers. There are many different designs that allow head to be easily held with only a person's fingers.
Examples of how the word is used
|thumb-head configurations are standard|
|The shallow slot for the head of the thumb screw is important or you can't operate it with one hand|