1. (baseball) the person who plays first base
   - first baseman

Derived forms: first sackers

Type of: infielder

• pen-and-ink
• pen-friend
• pen-tailed tree shrew
• penal
• penal code
• penal colony
• penal facility
• penal institution
• penalisation
• penalise
• penalization
• penalize
• penally
• penalty
• penalty area
• penalty box
• penalty free throw
• penalty kick
• penalty spot
• penance
• Penang
• penannular
• penates
• penchant
• pencil