1. evergreen coniferous trees of the pine family with drooping branches and small cones
2. poisonous plants of the carrot family with white flowers and finely divided leaves

Examples

• The ancient hemlocks towered over the forest floor.
• Eastern hemlocks are threatened by an invasive insect.
• We planted young hemlocks along the property line.
• The hiking trail wound through groves of tall hemlocks.
• Poison hemlocks grew wild in the abandoned field.
• The botanist warned students about the toxic hemlocks near the stream.
• Hemlocks provide important habitat for wildlife.