sēmĭ-pĕdālis — Lewis & Short
sēmĭ-pĕdālis, e, adj.,
I a half-foot in size, half a foot long, broad, etc.:
apertura,Vitr. 10, 19; Col. 11, 3, 21:
spatium,id. 12, 52, 4:
altitudo,Plin. 26, 8, 42, § 69:
truncus,id. 13, 4, 8, § 37:
pisciculus,id. 32, 1, 1, § 3; cf. the foll. art.