1. Tall evergreen of western North America; commercially important timber tree
   - western hemlock, west coast hemlock, Tsuga heterophylla

Type of: hemlock, hemlock tree

• polyptych
• polypus
• polyribosome
• polysaccharide
• polysemant
• polysemantic
• polysemantic word
• polysemous
• polysemous word
• polysemy
• polysome
• polysomy
• Polystichum
• Polystichum acrostichoides
• Polystichum aculeatum
• Polystichum adiantiformis
• Polystichum braunii
• Polystichum lonchitis
• Polystichum scopulinum
• Polystichum setiferum
• polystyrene
• polysyllabic
• polysyllabic word
• polysyllabically
• polysyllable