
1) Ancient Roman religion 2) Ghosts of ancient Rome 3) Roman hostile spirits
Found on
https://www.crosswordclues.com/clue/lemures

Latin, meaning: (pl. only) ghosts, phantoms.
Found on
http://archives.nd.edu/lll.htm

In Roman mythology, the lemures z were shades or spirits of the restless or malignant dead, and are probably cognate with an extended sense of larvae iː (from Latin larva, `mask`) as disturbing or frightening. Lemures is the more common literary term but even this is rare: it is used by the Augustan poets Horace and Ovid, the latter in his Fast.....
Found on
http://en.wikipedia.org/wiki/Lemures

spirits of the dead
Found on
http://phrontistery.info/l.html

• (n. pl.) Spirits or ghosts of the departed; specters.
Found on
http://thinkexist.com/dictionary/meaning/lemures/

in Roman religion, wicked and fearsome spectres of the dead. Appearing in grotesque and terrifying forms, they were said to haunt their living ...
Found on
http://www.britannica.com/eb/a-z/l/33

In Roman mythology, ghosts of the dead. They were exorcized at the annual three-day festival of Lemuria, or Lemuralia, in May. ...
Found on
http://www.encyclo.co.uk/local/20688

The evil spirits of the house, also known as Larvae.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Lem'u·res (lĕm'u*rēz; E. lē'mūrz)
noun plural [ Latin See
Lemur .] Spirits or ghosts of the departed; specters. « The Lars and
Lemures moan with midnight plaint.»
Milton. Found on
http://www.encyclo.co.uk/webster/L/29

Among the ancient Romans, lemures was the name given to the ghosts or souls of the dead. In order to appease them a ceremony called lemuria was observed on the nights of the 9th, llth, and 13th of May.
Found on
http://www.probertencyclopaedia.com/browse/D1L.HTM

(pl. only) ghosts, phantoms.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.