Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ŏvĕcŭla, v. ovicula.
ŏvĭcŭla (ŏvĕ-). ae, f. dim. [ovis], a little sheep (post-class.): ovicula, Aug. Doctr. Chr. 3, 21: ovecula. Tert. Pall. 3.
Q. Fabius Max. Cunctator Ovieula dictus est a morum clementiā, Aur. Vict. Vir. Ill. 43.