sulco

Noun
1. inflection of sulcō:

Verb

 * 1) to plough, furrow, turn up
 * 2) to carve, cleave
 * 3)  to sail over, traverse, pass through, cross

Etymology 1
Borrowed from.

Noun

 * 1)  furrow trench cut in the soil with a plough
 * 2) furrow any trench, channel or groove on a surface