say it: MAHY-lur
miler is a noun meaning "(used only in combinations) the length of something in miles". It carries 2 recorded senses.
(used only in combinations) the length of something in miles
“the race was a 30-miler”
combining form
a runner in a one-mile race
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 miler 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.