reckoner
rec·ko·ner
noun
1.
an expert at calculation (or at operating calculating machines)
2.
a handbook of tables used to facilitate computation
Origin
From Middle English reknere, rekenere. Cognate with Afrikaans rekenaar, Dutch Low Saxon rekener, German Rechner, Danish regner, Swedish räknare. By surface analysis, reckon + -er.
Phrases
- ready reckoner
- stepped reckoner
Related words
Narrower terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.