material or objects used to fill in gaps or cracks, or to pad / (typography) an interglyph or interline space, or a physical object used to make such space

a punctuation mark

solid, especially food

sediment, deposit

neither fish nor fowl, up in the air

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

(literally) one side / everywhere, all around, the whole area / one viewpoint, one opinion or way of thinking / the front page of a newspaper

for the time being, for the present

the basics, a general idea

chemical equivalent