(communism, history) According to an obsolete theory, a period shortly after the Great Depression in which capitalism would be marked by further crises and then soon collapse.

plural of third-waver

(obsolete) A third party who acts as mediator.

plural of thirdsman

(historical) The period of Egyptian history from the end of the New Kingdom to the start of the Late Period, comprising the 21st through 25th dynasties and characterized by political fragmentation and periods of Libyan and Nubian rule over Egypt.

(US, law) Murder without intent but during a felony.

plural of third grader

(US, education) A pupil who is in third grade.

plural of third person

Alternative form of third stream (“style of jazz music”)