say it: SPAY-shuhl
spacial is an adjective meaning "pertaining to or involving or having the nature of space". It carries one recorded sense.
pertaining to or involving or having the nature of space
“the first dimension to concentrate on is the spatial one”
“spatial ability”
“spatial awareness”
“the spatial distribution of the population”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for spacial come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.