a hen's egg or eggs.
Origin of hen fruit
An Americanism dating back to 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for hen fruit
Historical Examples of hen fruit
You can have all the fruit you want to; but I demand the pair of hen-fruit, too.The Corner House Girls on Palm Island
Grace Brooks Hill