noun, counter
In music, a regular unit of time; also used as a counter for beats.
この曲は4拍子です。
This piece is in four-four time.
指揮者が拍をとる。
The conductor keeps the beat.
noun, counter
mora
In linguistics, a unit of syllable weight; one kana character typically represents one mora. See also モーラ.
See also: モーラ
「にほん」は3拍の単語です。
The word にほん has three morae.
The kanji 拍 originally means 'to clap' or 'to beat', and the reading はく is the on'yomi. The linguistic sense of 'mora' is a modern extension.