KEYSTONE
- to cause a television picture to taper [v KEYSTONED, KEYSTONING, KEYSTONES]
- the wedge-shaped piece at the crown of an arch that locks the other pieces in place see arch illustration
- species of plant or animal that produces a major impact (as by predation) on its ecosystem and is considered essential to maintaining optimum ecosystem function or structure
- the central stone of an arch [n KEYSTONES]
Previous Words
KEYPUNCHERS KEYPUNCHES KEYPUNCHING KEYRING KEYRINGS KEYS KEYSET KEYSETS KEYSTER KEYSTERSNext Words
KEYSTONED KEYSTONES KEYSTONING KEYSTROKE KEYSTROKED KEYSTROKES KEYSTROKING KEYSTROKINGS KEYTAR KEYTARS
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