1. Consisting of or made of wood of the birch tree
   - birch, birchen

See also: woody

Encyclopedia: Birken

• proportionally
• proportionate
• proportionately
• proportionateness
• proposal
• proposal of marriage
• propose
• proposer
• proposition
• propositional
• propositional calculus
• propositional logic
• propositus
• propound
• propoxyphene
• propoxyphene hydrochloride
• propping up
• propranolol
• proprietary
• proprietary colony
• proprietary drug
• proprietor
• proprietorial
• proprietorship
• proprietorship certificate