sulcus /sulˈkəs/

1. A groove, furrow or fissure
2. A groove or furrow between two convolutions of the brain (anatomy)

sulˈcal /-kl/ adjective

1. Of a sulcus
2. Grooved
3. Furrowed

sulˈcalize or sulˈcalise transitive verb

To furrow

sulˈcate or sulˈcated adjective

1. Furrowed, grooved
2. With parallel longitudinal furrows

• sunbows
• sunbright
• sunburn
• sunburned
• sunburning
• sunburns
• sunburnt
• sunburst
• sunbursts
• sun-clad
• sun crack
• sun cracks
• sun cream
• sun creams
• sun cult
• sun cults
• sun-cured
• sundae
• sundaes
• sun dance
• sun dances
• sundari
• sundaris
• Sunday
• Sunday best