ri·cas·so 
(rĭ-kăsō)
(rĭ-kăsō)n. pl. ri·cas·sos
An unsharpened section of a sword or knife blade next to the hilt.
[Italian, of unknown origin.]
- circumduction
- circumference
- circumferential
- circumfix
- circumflex
- circumfluent
- circumfluous
- circumfuse
- circumfusion
- circumjacent
- circumlocution
- circumlocutorily
- circumlocutory
- circumlunar
- circumnavigate
- circumnavigation
- circumnavigator
- circumpolar
- circumrotate
- circumrotation
- circumrotatory
- circumscissile
- circumscribable
- circumscribe
- circumscription