1) a dream (see Molina and Karttunen); 2) a cocoon or a caterpillar that, much like a silkworm, encloses itself in a mortuary shroud before becoming a butterfly; 3) Temictzin, a nephew of Moctezuma I
also a name and a title (see attestations); note the variations in spellings (ll or l) and the variations in the absolutive; presumably temillotl and temilotli are the same word (SW)