For an indefinitely long period, an age; plur. : tarda gelu saeclisque effeta senectus, with (many) years .

http://lila-erc.eu/data/lexicalResources/LewisShort/id/LexicalSense/n42210.8 an entity of type: LexicalSense

For an indefinitely long period, an age; plur. : tarda gelu saeclisque effeta senectus, with (many) years . 
For an indefinitely long period, an age; plur. : tarda gelu saeclisque effeta senectus, with (many) years . 

data from the linked data cloud