flex
verb
[ flɛks ]
• (with reference to a limb or joint) bend or become bent.
• "she saw him flex his ankle and wince"
• put a (skill, talent, or ability) to use.
• "the talks were seen as a way for Merkel to flex her well-known diplomatic prowess"
flex
noun
• the action or state of flexing.
• "add rigidity and eliminate brake flex"
• a boastful statement or display.
• "ridiculous flexes of exorbitant wealth"
Origin:
early 16th century: from Latin flex- ‘bent’, from the verb flectere .
flex
noun
• a flexible insulated cable used for carrying electric current to an appliance.
Origin:
early 20th century: abbreviation of flexible.