plural of right of reentry

(obsolete) A secret; secrecy. / (obsolete) A secret place; hiding. / (obsolete) An obscure language. / (obsolete) Darkness; obscurity.

(grammar) A word (pronoun, pronominal adjective, or adverb) implying interrogation, or used for asking a question: why, who, when, etc. / (typography, archaic) Synonym of question mark ⟨?⟩.

plural of choo-choo train