say it: BRUHTH-ur-huud
brotherhood is a noun meaning "the kinship relation between a male offspring and the siblings". It carries 4 recorded senses.
the kinship relation between a male offspring and the siblings
people engaged in a particular occupation
“the medical fraternity”
the feeling that men should treat one another like brothers
an organization of employees formed to bargain with the employer
“you have to join the union in order to get a job”
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 brotherhood 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.