plank noun verb Stress: first syllable 🤍 Save Syllables: plank (1) English Definition A long, thin, flat piece of timber, used especially in building and flooring. Example Sentence They used a wooden plank to cross the stream. US IPA /plæŋk/ 🔊 Listen US UK IPA /plæŋk/ 🔊 Listen UK Synonyms board timber beam slab Antonyms pole rod Share this Word Facebook WhatsApp X Telegram Copy Link