畳

folding paper-case; kimono wrapping paper

paper folded and tucked inside the front of one's kimono (esp. for use at the tea ceremony)

Idiomatic expression

to die a natural death; to die in one's own bed

to shut up one's house

folding desk

to interrupt; to jeer

to fold one's wings

to keep to oneself; to bear in mind

folding bicycle; folding bike

Idiomatic expression; Jocular, humorous term

useless book learning; knowing the theory but being unable to put it into practice; practising swimming on a tatami mat

Proverb

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

crease (from folding)

folding (collapsible) chair

Proverb; Adjective - yoi/ii class

wives and tatami mats are best when new

Mathematics

convolution

taking in a sail; reefing a sail

'taru' adjective

mountains rising one above another

enjoying food, drink and entertainment in a small room

tatami room; Japanese-style room

tatami bed

folding map

leaflet; folded printed matter

Computing

convolution theorem

Computing

convolutional code

Proverb

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

Dardanus crassimanus (species of left-handed hermit crab)