os
os (aws) noun [plural ora (awra, ora)]
A mouth or an opening.
[Latin os, mouth.]
os (aws) noun [plural ossa (osa)]
A bone.
[Latin, bone.]
os (oas) noun [plural osar (oasaar)]
A long, narrow ridge of coarse gravel deposited by a stream flowing
in or under a decaying glacial ice sheet.
[Swedish as, ridge, from Old Norse ass.]
Os
The symbol for the element osmium.
D.L. Stanley, I Hope This Doesn't Effectuate Your Dudgeon,
Atlanta Inquirer, 16 Nov 1996.
"Naturally, the students couldn't resist testing the teachers'
knowledge.
`You'd better slow down,' they would tell some unsuspecting
pedagogue, `or
you might fall and break your os.'"