Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ālĭpĭlus, i, m. [ala- 1. pilus], a slave who plucked the hair from the armpits of the bathers (cf. ala, II.): alipilum cogita tenuem et stridulam vocem, Sen. Ep. 56, 2: M. OCTAVIVS PRIMIGENIVS ALIPILVS A TRITONE, Inscr. Grut. 812, 6 (cf. Inscr. Orell. 4302).