Meanings

Triassic period

tatami mat finished on both sides

being placed one upon another

to give no leeway

iteration mark (used to represent repetition of the previous character)

to fold (clothes, umbrella)

renewing mats

matmaker

facing of a tatami mat

tatami mat (esp. as a measure of room size, either 1.82 sqm or 1.54 sqm)

syllable repetition (indicating plurals)

to fold in

tatami needle

new mat

stone paving

half tatami mat

to keep to oneself

useless book learning

to be folded (up)

four and a half tatami mats