iron-grass
noun
Any of various grasses or grass-like plants with tough, wiry stems and leaves; especially (English regional ) knot grass, Polygonum aviculare, and ( Australian ) any of various plants of the genus Lomandra (family Asparagaceae).
Origin
Mid 18th century; earliest use found in Patrick Browne (c1720–1790), physician and botanist.
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- Rayburn, Sam
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- ray-fin
- ray-finned
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- rayfish
- ray fleck
- ray floret
- ray fungus
- ray-grass
- ray gun
- raying
- Ray, John
- rayl
- Rayleigh, 3rd Baron
- Rayleigh criterion
- Rayleigh disc
- Rayleigh disk
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- Rayleigh limit
- Rayleigh number
- Rayleigh-scattered