sesquĭ-mŏdĭus, ii, m.,
a peck and a half , Varr. R. R. 1, 7, 3; 1, 42; Cic. Verr. 2, 3, 92, § 215; Col. 2, 12, 4.
sēsqui-modius ī, m a peck and a half. ...
An Elementary Latin Dictionary