petit four/ʹfaw/ (French /pəti fur)/ noun (pl petits fours petit fours /ˌpeti ʹfawz/ (French /fur)/)

• at bottom
• ATC
• at cost
• at cross purposes
• at daggers drawn
• at death's door
• ate
• -ate
• at each other's throats
• at ease
• -ated
• atelier
• a tempo
• at every turn
• at fault
• at first
• at first blush
• at first glance
• at first hand
• at first/second hand
• at first sight
• (at) full pelt
• at full stretch
• at gunpoint
• Athabaskan