vertical length; height
Refers to the vertical dimension of an object, often contrasted with 横幅 (horizontal width).
The height of this shelf is 30 centimeters.
画像の縦幅を調整してください。
Please adjust the vertical length of the image.
縦幅 measures the vertical height or length of an object, whereas 横幅 measures its horizontal width.
Compound of 縦 (たて, 'vertical') and 幅 (はば, 'width').