Lewis & Short

pŭsillŭlus, a, um, adj. dim. [id.], very little, very small: vineae, Ambros. Cantic. 2, 62; id. Psa. 118, Serm. 11, 29: pueri, Varr. ap. Non. 214, 25 dub. (al. pusilli, as also ib. 133, 18).