Adjective
E-shaped (not comparable) (possessional)
Shaped like the capital letter "E" or its mirror image
Laminating the core greatly reduces eddy-current losses One common design of laminated core is made from interleaved stacks of E-shaped steel sheets capped with I-shaped pieces, leading to its name of 'E-I transformer'. Source: Internet
For the support leg unit for your mirror, you will construct two large E-shaped assemblies, which will extend out from the back of your mirror, and hold a display shelf in the middle. Source: Internet