reckoner (rekner)

[ nare (= D. rekenaar = G. rechner = Sw. be räknare = Dan. be - regner ); But retrospects with bad reckoners are troublesome things. War burton, On Occasional Reflections. In Ireland, where the reckoner would begin by saying "The two thumbs is one." Harper's Mag ., LXXVIII. 489. 2. Something that a ists a person to reckon or cast up accounts, as a book containing a series of tables; a ready-reckoner.