畳 - tatami mat, counter for tatami mats, fold

four and a half tatami mats; four-and-a-half-mat room

tatami mat; Japanese straw floor coverings

to fold (clothes, umbrella)

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

tatami mat without a "heri" edge

convolution theorem

convolutional code

a bad person does not deserve to die in his own bed

Dardanus crassimanus (species of left-handed hermit crab)

enjoying food, drink and entertainment in a small room

judo mat

one should be satisfied without desiring more wealth and rank than necessary; waking, half a tatami mat; sleeping, a single tatami mat