Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Sinus" Definition
noun
A depression or cavity formed by a bending or curving.
Source: American Heritage Dictionary
Anatomy A dilated channel or receptacle containing chiefly venous blood.
Source: American Heritage Dictionary
Anatomy Any of various air-filled cavities in the bones of the skull, especially one communicating with the nostrils.
Source: American Heritage Dictionary
Botany A recess or indentation between lobes of a leaf or corolla.
Source: American Heritage Dictionary
Pathology A fistula leading from a pus-filled cavity.
Source: American Heritage Dictionary
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