Entomology definition of Sulca September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Sulca Entomology definition of Sulca: grooves, furrows or channels: plural of sulcus. Entomology Sulca definitionSulca Entomology explanationSulca Entomology meaningReviews & Comments