Added 9 October 2026
reckoner
/ˈɹɛkənə(ɹ)/ noun
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about reckoner at Wordnik → Where our words come from →
- An expert at calculation (or at operating calculating machines).
- 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.
From Wiktionary, via Kaikki.org (CC BY-SA)