1. Long past; beyond the limits of memory or tradition or recorded history
   "time immemorial"

See also: old

• ace of diamonds
• ace of hearts
• ace of spades
• acebutolol
• acedia
• acellular
• acellular slime mold
• acellular slime mould
• acentric
• acentric chromosome
• acephalia
• acephalism
• acephalous
• acephaly
• Acer
• Acer argutum
• Acer campestre
• Acer circinatum
• Acer glabrum
• Acer japonicum
• Acer macrophyllum
• Acer negundo
• Acer negundo Californicum
• Acer palmatum
• Acer pennsylvanicum