a small channel or canal (Vitr. 10.14
; Col. 8.15, 6), is also used in the
following special senses:--to denote (1) the channel or barrel of a catapult
); (2) a splint (Cels. 8.2);
(3) the grooves carved on the face of a triglyph between the three uprights
), while those at each end where the
sank to the level of the metope
were called semicanaliculi.