Definition of roundworm
: nematode; also : a related round-bodied unsegmented worm (such as a spiny-headed worm) as distinguished from a flatworm
Recent Examples of roundworm from the Web
In addition to species that cause common skin infections such as roundworm and athlete’s foot, other strains cause internal infections that can lead to painful mouth lesions, swollen lymph nodes, and even death.
Majestene, a natural broad-spectrum bionematicide, controls roundworms on a wide range of agricultural crops.
The roundworm’s larvae have a tendency to invade the spinal cord, brain and eye of humans, resulting in permanent neurological damage, blindness or death, according to the federal Centers for Disease Control and Prevention (CDC).
Last month, health officials reported that a King County toddler may have contracted a very rare disease linked to roundworms found in raccoon droppings.
The feat was subsequently duplicated in many other animals, from roundworms to dogs, but until now had not been conclusively demonstrated in primates.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'roundworm'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of roundworm
ROUNDWORM Defined for English Language Learners
Definition of roundworm for English Language Learners
: a small worm with a long, round body that lives inside the bodies of people and animals
ROUNDWORM Defined for Kids
Definition of roundworm for Students
: a worm that has a round body with no segments and is sometimes a serious parasite of people and animals
Seen and Heard
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