cancellus

Etymology
..

Noun

 * 1)  A barrier, balustrade or railing, or screen, dividing the main body of a church from the chancel.
 * 2)  One of the interlacing osseous plates constituting the elastic porous tissue of certain parts of the bones, especially in their articular extremities.

Etymology
Diminutive, from.

Noun

 * 1) one of the bars which, in the form of a grid, collectively constitute a door that lets daylight through; the bars were covered by  if it was desired to keep the light off – lattice, grate, grid, bars, barrier, railings
 * , 30, 1, 41, § 10  libro vicesimo primo ad 
 * "la"

- Sed si cancelli sint vel vela, legari poterunt, non tamen fistulae vel castelli.


 * 1) * 211–217 43, 24, 9, § 1  libro septuagensimo primo ad edictum
 * "la"

- Si tamen sera vel clavis vel cancellus vel specularium sit ablatum, quod vi aut clam agi non poterit.

Usage notes
Usually used in the plural to denote such a door.