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.
No one had yet seen moving pictures at home - television. Baird's first TV picture. To make his first TV in 1924, Baird used boxes, biscuit tins, sewing needles, card, and the motor from an electric fan. His first TV picture showed a cross cut out of card. Baird's TV used spinning discs. His idea was to scan an image (the cross) with a spinning disc with tiny holes.