docendo discitur (L.), one learns in teaching.
dolce far niente (It.), sweet doing-nothing: pleasant idleness.
doli capax (L.), capable of committing a wrong—opp. of doli incapax.
Domine, dirige nos! (L.), Lord, direct us!—the motto of London.
Dominus illuminatio mea (L.), the Lord is my enlightening.
domus et placens uxor (L.), a home and a pleasing wife.
donna è mobile (It.), woman is changeable.
donnerwetter! (Ger.), thunderstorms! [as an ejaculation].
dorer la pilule (Fr.), to gild the pill.
dormitat Homerus (L.), Homer nods.