n. 1.1 a genus of nocturnal South American monkeys with large eyes; the owl monkeys; the douroucoulis. See douroucouli. Syn. -- genus Aotus. [ WordNet 1.5 ]
[さきおととし;さおととし;さいととし;いっさくさくねん, sakiototoshi ; saototoshi ; saitotoshi ; issakusakunen] (n-adv, n-t) two years before last (year); three years back (ago)