See Also: sinus(encyclopedia)
sinus(dictionary)
sinus(dictionary)
Sinus(health)
Sinus(medicine)
sinus node(medicine)
sinus maxillaris(medicine)
sinus lienis(medicine)
sinus laryngeus(medicine)
sinus lactiferi(medicine)

sinus (oh)



[Date: 1400-1500; Language: Modern Latin; Origin: Latin, 'curve, fold, hollow place']
your sinuses are the spaces in the bones of your head that are connected to the inside of your nose
::blocked sinuses
::a sinus infection