We found 4 dictionaries that define the word dead reckon:

General (4 matching dictionaries)

1. dead reckon: Merriam-Webster
2. dead-reckon: Infoplease Dictionary
3. dead-reckon, dead reckon: Dictionary.com
4. dead reckon: Wiktionary

(Note: See dead_reckoning as well.)

Definitions from Wiktionary (dead reckon) ▸ verb:  To ascertain (a position) by dead reckoning. ▸ Words similar to dead reckon ▸ Usage examples for dead reckon ▸ Idioms related to dead reckon ▸ Wikipedia articles (New!) ▸ Words that often appear near dead reckon ▸ Rhymes of dead reckon ▸ Invented words related to dead reckon