Definitions include: the cleft between the cheeks of the buttocks. Definitions include: the pressing of one's unclothed buttocks against a window. Definitions include: so large (or possessing such large buttocks) that one cannot fit in the seats in the coach section of an airplane.
The very first commercially available televisions were seen in the UK in 1928 / 1929. The coincided with the first public television broadcasts made.
The word Television is first used: 1922 to 1927: Early Experiments with a MECHANICAL scanning disc system. TV Picture is neon orange and very small. 1928 to 1934: First Mechanical TV Sets sold to public -- At the peak, 42 US stations were in operation using the Jenkins system. However, picture quality is lacking. Not suitable for commercial use.