pons asinorum /ponz as-i-nōrˈəm, -nörˈ or pōns as-i-nōrˈŭm/ (Latin)

1. The asses' bridge (see under ass¹)
2. Any severe test of a beginner

• big-bellied
• Big Ben
• Big Bertha
• Big Blue
• Big Board
• big-box
• Big Brother
• Big Brotherism
• big bucks
• big-bud
• big-buds
• big bug
• big business
• big cat
• big cats
• big cheese
• big cheeses
• big Daddy
• big data
• big deal
• big dipper
• big dippers
• big end
• Big-endian
• big ends