an extension at the end and at right angles to the main building
"The new wing was added as an ell to the old factory, creating a U-shaped complex around the courtyard."
A measure of length. An English ell was 1¼ yards (45 inches or 114 cm), whereas a Scottish ell measured only about 37 inches (94 cm) and a Flemish ell was ¾ yard (27 inches or 69 cm).
"The researchers identified a mutation in ell, the abbreviation for RNA polymerase II elongation factor, which disrupted normal transcription within the cell's Cajal bodies."
The name of the Latin-script letter L .
Abbreviation of RNA polymerase II elongation factor: an enzyme found in Cajal bodies.
A surname.
"Mr. Ell invited his neighbors to the block party on Saturday evening."