UnscrambleTheWord.cosinus
Is it a Scrabble word? See definition, points, and words you can make.
Is sinus a Scrabble word?
Word Games
- Scrabble US/Canada (OTCWL) Yes
- Scrabble UK (SOWPODS) Yes
- Wordle Yes
- Words With Friends Yes
Scrabble US/Canada (OTCWL) 
Wordle 
Words With Friends What is the meaning of sinus?
Definition
noun (English)
1. (anatomy, zootomy) A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).
2. (anatomy) An irregular venous or lymphatic cavity, reservoir, or dilated vessel.
3. (anatomy) An irregular venous or lymphatic cavity, reservoir, or dilated vessel.attributive
4. (pathology) An abnormal cavity or passage such as a fistula, leading from a deep-seated infection and discharging pus to the surface.
5. (botany) A rounded notch or depression between two lobes or teeth in the margin of a leaf or petal.
6. (geography) A bay of the sea; a recess in the shore.
Definition source: Wiktionary