Meanings

one-way airline ticket

single door (as opposed to a double door)

commensalism

Katayama disease

absolutely every little bit

file fragmentation

fragmentation

single-sided disk

one-way communication

one-way interaction

graft

particle board

brake shoe

monocle

moon-viewing on either the night of the 15th day of the 8th month of the lunisolar calendar or on the night of the 13th day of the 9th month of the lunisolar calendar, but not both nights

gneiss

to move

ostracism

potsherd

driving on two wheels