Erh

(a) The active or male principle (yang) and the passive or female principle (yin), which are the products of Tao and which produce the myriad of things. (Taoism.) (b) The active or male principle (yang or ch'ien) and the passive or female principle. -- W.T.C.
Found on http://www.ditext.com/runes/e.html

ERH

[gene] In molecular biology, Enhancer of rudimentary homolog is a protein that in humans is encoded by the ERH gene. The Drosophila protein enhancer of rudimentary protein is a small protein of 104 amino acids. It has been found to be an enhancer of the rudimentary gene, involved in pyrimidine biosynthesis. ...
Found on http://en.wikipedia.org/wiki/ERH_(gene)

ERH

Extended Ride Height
Found on http://www3.sympatico.ca/dhaughey/j1930.htm
No exact match found