The Mississippi Genealogy & History web site has pictures and meaning of some of the old symbols that are shown on tombstones. Even though these symbols are in Mississippi, I would suspect that they would be valid in other states as well. Worth checking out.
Click on the link to view the symbols Tombstone Symbols.
As you research your family history, you will run across a wide variety of terms used many years ago and wonder what they mean. At the top of this page there is a tab called Terminology and there you will find definitions for old and archaic terms that were used in the past. This is by no means a complete list just some that I have complied and collected over 40 plus years of research.
The Terminology section contains definitions for:
Land and Legal Terminology
I hope that you will find them interesting to read and of use, too.