Sometimes = as, the unit of the standard of money (cf. as); hence, aes grave, the old heary money ; so, aes alone and in the gen. sing.

http://lila-erc.eu/data/lexicalResources/LewisShort/id/LexicalSense/n1359.11 an entity of type: LexicalSense

Sometimes = as, the unit of the standard of money (cf. as); hence, aes grave, the old heary money ; so, aes alone and in the gen. sing. 
Sometimes = as, the unit of the standard of money (cf. as); hence, aes grave, the old heary money ; so, aes alone and in the gen. sing. 

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