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

Derived forms: first basemen

Type of: infielder

Encyclopedia: First baseman

• la-di-da
• laager
• lab
• lab bench
• lab coat
• Laban
• Labanotation
• labarum
• labdanum
• label
• labeled
• labelled
• labellum
• labetalol
• labetalol hydrochloride
• labia majora
• labia minora
• labial
• labial artery
• labial consonant
• labial pipe
• labial stop
• labial vein
• labialise
• labialize