|  | 
Definition of Giant roundworm
1. Noun. A species of roundworm, ''Ascaris lumbricoides'', the largest and most common parasitic worm in humans. ¹
¹ Source: wiktionary.com
|  | 
1. Noun. A species of roundworm, ''Ascaris lumbricoides'', the largest and most common parasitic worm in humans. ¹
¹ Source: wiktionary.com