Translation of "sed" into English

Pretpostavljam da bi i on do sada bio sed.

I suspect my son would have been going gray by now, too.

Kad oboje budemo stari i sedi, zajedno ćemo se smejati ovome.

When we are both old and grey, we shall laugh together over all this.

Prošli tjedan sam se javio na reklamu starom, sijedom policajcu koji je dva dana od mirovine.

Last week, I answered an ad for an old grizzled cop two days from retirement.