Clues for the word "OSSI"

We've had 3 crossword clues used for this word, and seen it 4 times in crosswords. It was last seen in Washington Post Classic crossword on July 30, 2017.

Referring Clues

Prefix meaning 30 Down
Bone prefix
Bone (Pref.)

Last Seen In

Washington Post Classic - July 30, 2017
King Syndicate - Eugene Sheffer - September 20, 2011
LA Times Sunday - January 02, 2011
Netword - April 18, 2010