entailment /ɛnˈteɪl.mənt/ noun3 •The act of logically entailing, the state of being entailed, or something that is entailed.Entailment does not imply causation: if a set of premisses entail a conclusion, that does not mean (necessarily) that they cause that conclusion to be true.An argument hinges upon entailment whereas an if-then sentence hinges upon implication. •The act of setting up an entail to restrict inheritance.On the other hand, the "perpetual entailment of estates" was a favorite of the common law,—supporting, as it did, the right of primogeniture, and growing out of the feudal system. — 1903 •(nonstandard) An entail.And notwithstanding this turning clause was put in, yet it was afterwards construed to be a will giving an entailment of the real property to the old man's grandchildren, which was not the case. — 1890 formsentailments