Riegel

(redirected from Riegel am Kaiserstuhl)
Also found in: Medical, Wikipedia.

riegel

[′rē·gəl]
(geology)
A low, traverse ridge of bedrock on the floor of a glacial valley. Also known as rock bar; threshold; verrou.

Riegel

 

a transverse ridge of bedrock on the floor of a glacial valley. A riegel forms when hard rock outcrops on the surface of the valley floor or when the valley is overdeepened by intensified glacial activity.