A visible fact that shows that something exists or may happen.
Their angry expressions were a clear sign they didn't want to talk.
Physical evidence left by an animal.
The hunters found deer sign at the end of the trail.
From Middle English signe, sygne, syng, seine, sine, syne, from Old English seġn (“sign; mark; token”) and Old French signe, seing (“sign; mark; signature”); both from Latin signum (“a mark; sign; tok...
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To make the sign of the cross
We receive this child into the congregation of Christ's flock, and do sign him with the sign of the cross.
To indicate
I signed to Brown to make his retreat.