Şunu aradınız:: unicus (Latince - İngilizce)

unicus
you are the only one

unicus filius ducati undecimi
only son of the eleventh duke

et ecce vir de turba exclamavit dicens magister obsecro te respice in filium meum quia unicus est mih
and, behold, a man of the company cried out, saying, master, i beseech thee, look upon my son: for he is mine only child.

cum autem adpropinquaret portae civitatis et ecce defunctus efferebatur filius unicus matri suae et haec vidua erat et turba civitatis multa cum ill
now when he came nigh to the gate of the city, behold, there was a dead man carried out, the only son of his mother, and she was a widow: and much people of the city was with her.