Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
călĭendrum (călĭandrĭum, Arn. 6, p. 209), i, n. [κάλλυντρον, ornament], a high head-dress, made of layers of false hair; a head-dress worn by Roman women (very rare): caliendrum κόσμιον κεφθλῆς, Gloss. Philox.; *Hor. S. 1, 8, 48 (caliendrum hoc est galericulum, Porphyr., acc. to whom it was also used by Varro; cf. Varr. Sat. Men. 95, 10); Arn. l. l.; Tert. Pall. 4.