Is “Sulci” a Scrabble word?
Yes
SULCI
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Sulci
/ˈsʌl.saɪ/
noun
1.A furrow or groove in an organ or a tissue.
2.Any of the grooves that mark the convolutions of the surface of the brain.
3.A region of subparallel grooves or ditches formed by a geological process.
Synonyms: fissure