1. Extinct reptile having a single pair of lateral temporal openings in the skull
   - synapsid

Derived forms: synapsid reptiles

Type of: reptile, reptilian

• fixed-point representation system
• fixed-width font
• fixedly
• fixedness
• fixer
• fixer-upper
• fixing
• fixing agent
• fixings
• fixity
• fixture
• fizgig
• fizz
• fizzer
• fizzing
• fizzle
• fizzle out
• fizzog
• fizzy
• fjord
• FL
• flab
• flabbergast
• flabbergasted
• flabbily