from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Scots Sweetheart; dear.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Darling, sweetheart.
from the GNU version of the Collaborative International Dictionary of English
- n. A sweetheart; a darling.
from The Century Dictionary and Cyclopedia
- n. See joe.
- n. In conchology See Io, 3.
- n. A Japanese measure of length legally established as 9.94 English feet. The cloth measure of the same name is said to be a fourth part longer.
Alteration of joy.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Scots jo ("joy"). (Wiktionary)