Ell

Noun

 * 1) A measure for cloth. An English ell equals 1.25 yards, whereas a Scottish ell measures only 1.0335 yards (http://www.onlineunitconversion.com). A Flemish ell measured three quarters, (27 inches).
 * 2) An extension usually at right angles to one end of a building.
 * 3) Something that is L -shaped.

Thesaurus
L, addition, angle, annex, apex, arm, bend, bifurcation, bight, block, cant, chevron, coin, corner, crank, crook, crotchet, deflection, dogleg, elbow, extension, fork, furcation, hook, inflection, knee, nook, point, quoin, swerve, veer, vertex, wing, zag, zig, zigzag

Etymology
From eln “unit of measure of 45 inches,” originally “length of the forearm,” from Proto-Indo-European *el- “elbow, forearm”.

Etymology
From ille.

Pronoun

 * 1) he