1) Bit of TV real estate 2) Every TV show has one 3) Place on a TV schedule 4) Program assignment 5) Program position 6) Programming opening 7) Schedule opening 8) TV schedule segment 
any cyclic time interval that can be recognized and defined uniquely NOTE - In French, the expression 'intervalle de temps', which is equivalent to the English term 'time interval', is deprecated when used to convey the concept of 'time-slot'.any time interval that is cyclic and that can be recognised and defined uniquely NOTE 1 - In the case of a time-multiplex transmission, separate time slots are allocated to each individual signal. NOTE 2 - In French, it is recommended to use the term 'cr?neau temporel' instead of the term 'intervalle de temps', since the latter could lead to a conf...any cyclic time interval that can be recognised and defined uniquely NOTE - In French, the expression 'intervalle de temps', which is equivalent to the English term 'time interval', is deprecated when used to convey the concept of 'time-slot'.
A period of time allocated to an aircraft to take off.
[n] - a time assigned on a schedule or agenda
slot noun a time assigned on a schedule or agenda; `the TV program has a new time slot`; `an aircraft landing slot`
the specific spot a comedian occupies within a showcase club line-up.
the specific spot a comedian occupies within a showcase club line-up.