Term: rattlesnake fern: American fern whose clustered sporangia resemble a snake's rattle
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: resettlement: the transportation of people (as a family or colony) to a new settlement (as after an upheaval of some kind)
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: alchemy: a pseudoscientific forerunner of chemistry in medieval times
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: summation: (physiology) the process whereby multiple stimuli can produce a response (in a muscle or nerve or other part) that one stimulus alone does not produce
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: honeycomb: a framework of hexagonal cells resembling the honeycomb built by bees
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: rankine scale: a scale of absolute temperature in Fahrenheit degrees; the freezing point of water is 491.69 degrees and the boiling point of water is 671.69 degrees
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: hermaphrodite: one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: hogan: a Navajo lodge covered with earth; traditionally built with the entrance facing east
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: nightmare: a terrifying or deeply upsetting dream
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: genus trachodon: a reptile genus of the suborder Euronithopoda
Broader: pteridophyte: plants having vascular tissue and reproducing by spores | Unrelated: sagittal suture: the suture uniting the two parietal bones