| English noun: reckoner | |||
| 1. | reckoner (person) an expert at calculation (or at operating calculating machines) | ||
| Synonyms | calculator, computer, estimator, figurer | ||
| Broader (hypernym) | expert | ||
| Narrower (hyponym) | actuary, adder, number cruncher, statistician, subtracter | ||
| 2. | reckoner (communication) a handbook of tables used to facilitate computation | ||
| Synonyms | ready reckoner | ||
| Broader (hypernym) | enchiridion, handbook, vade mecum | ||