The word “entail” can have several meanings depending on the context:

1. In legal terms, “entail” refers to a legal restriction on the inheritance of property, where it can only be passed down to specific heirs and cannot be sold or transferred outside of the family.

2. In general usage, “entail” means to involve or require as a necessary consequence or condition. For example, if you want to succeed in a particular field, it may entail years of hard work and dedication.

3. In logic, “entailment” refers to the relationship between two statements, where one statement logically follows from another. If statement A entails statement B, it means that if A is true, then B must also be true.

4. In biology, “entailment” refers to the process of passing on genetic traits from one generation to the next.

Overall, “entail” implies a necessary connection or consequence between two things.