active military duty

An island in the Andaman Islands, that is inhabited by the Sentinelese. The island is a forbidden island, where no contact is allowed with the outside world; outsiders may be executed on arrival.

plural of postilion sentence

(linguistics) A phrase that is linguistically correct, but of no realistically practical use.

(mathematics, education) An equation or inequality expressed with numbers and operators, such as 3 + 6 < 10.

plural of number sentence

range of allowed punishments for a given crime (This entry is a translation hub.)

A surname from Spanish.

plural of Senteno

(of soldiers) To keep watch. / (figuratively, by extension) To be in line like soldiers.