a grandmother; or, the sister of one's grandfather, great aunt (see Molina and Karttunen); or a hare, jack rabbit (and hares, in the plural, cicihtin) -- both grandmother and hare are cihtli in the singular, with the glottal stop; grandmothers is cihtin (which might also be seen as citin)
See an image that represents citli in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).
cicitin (plural)
in teci tzone, izte, yxquamule, tentzone, yxuiua, cacamaio, tzicueuallo, vitzio, auaio.
Yn qualli citli quauitl tetl quitetoctiani, tehutequiani teixtlamachtiani = One's grandmother has noble descendants.
The good grandmother [is] a reprimander, a leader of an exemplary life, a counselor. (central Mexico, sixteenth century)
noci, nocitzin = my grandmother
nechmocahuililitaque ynotatzin ynonantzi yncoltzin ynosintzin = me fueron dejando mi padre y mi madre, mi abuelo y mi abuela (Acolma, 1581)
Oquitac icihtzin, yohpacihtzin, iyexpacihtzin, yicnehuan ihuan itahtzin quitlahpalotiquizqueh. = Vio a su abuela, a su bisabuela, a su tatarabuela, a sus hermanos y a su padre que lo pasaron a saludar. (s. XX, Milpa Alta)