gnash /nash/

1. To strike (the teeth) together in rage or pain
2. To bite with a snap or clash of the teeth

A snap of the teeth

gnashˈer noun

1. Someone who, or that which, gnashes
2. (usu in pl) a tooth (facetious)

gnashˈing noun

gnashˈingly adverb

• ethmoid bones
• ethmoids
• ethnarch
• ethnarchies
• ethnarchs
• ethnarchy
• ethnic
• ethnical
• ethnically
• ethnic cleansing
• ethnicism
• ethnicisms
• ethnicities
• ethnicity
• ethnic minorities
• ethnic minority
• ethnics
• ethnobotanic
• ethnobotanical
• ethnobotanically
• ethnobotanies
• ethnobotanist
• ethnobotanists
• ethnobotany
• ethnocentric