The Collaborative International Dictionary
Lentitude
Lentitude \Len"ti*tude\ (l[e^]n"t[i^]*t[=u]d), n. [L. lentitudo, fr. lentus slow: cf. OF. lentitude. See Lent, a.] Slowness; sluggishness. [Obs.]
Wiktionary
lentitude
n. (context obsolete English) slow; sluggishness.