quahog /kwöˈhog or kwə-hogˈ/, quahaug /-hög or -högˈ/, or sometimes cohog /kōˈhog or kə-hogˈ/

1. An edible clam (Venus mercenaria) of the N American Atlantic coast, also known as round clam
2. Another variety of clam, Cyprina islandica, also known as black quahog

• attested
• attester
• attesters
• attesting
• attestor
• attestors
• attests
• Att.-Gen.
• at that
• at the bar
• at the best of times
• at the bottom of
• at the coalface
• at the crack of dawn
• at the double
• at the drop of a hat
• at the earliest
• at the eleventh hour
• at the end of one's tether
• at the end of the day
• at the expense of
• at the feet of
• at the first blush
• at the fore
• at the full