1. Belonging to some prior time
   - erstwhile, former, old, one-time, quondam, sometime

1. On one occasion
   - once, in one case

See also: past

• sphenisciform seabird
• Sphenisciformes
• Spheniscus
• Spheniscus demersus
• Sphenodon
• Sphenodon punctatum
• sphenoid
• sphenoid bone
• sphenoid fontanel
• sphenoid fontanelle
• sphenoidal
• sphenoidal fontanel
• sphenoidal fontanelle
• Sphenopsida
• spheral
• sphere
• sphere of influence
• spheric
• spherical
• spherical aberration
• spherical angle
• spherical geometry
• spherical polygon
• spherical triangle
• spherical trigonometry