Слово "parenthesis". Англо-русский словарь Мюллера

I may remark in parenthesis that, though Elena made a show of not wanting to speak to me, these rather frequent appeals this desire to apply to me in every difficulty, showed a contrary feeling, and I confess it really pleased me.

and symbols and parentheses

'It is hereby certified that the bearer, Nikolai Ivanovich, spent the said night at Satan's ball, having been summoned there in the capacity of a means of transportation ... make a parenthesis, Hella, in the parenthesis put "hog".

There was the dreary Sunday of his childhood, when he sat with his hands before him, scared out of his senses by a horrible tract which commenced business with the poor child by asking him in its title, why he was going to Perdition?—a piece of curiosity that he really, in a frock and drawers, was not in a condition to satisfy—and which, for the further attraction of his infant mind, had a parenthesis in every other line with some such hiccupping reference as 2 Ep. Thess. c. iii, v. 6 & 7. There was the sleepy Sunday of his boyhood, when, like a military deserter, he was marched to chapel by a picquet of teachers three times a day, morally handcuffed to another boy; and when he would willingly have bartered two meals of indigestible sermon for another ounce or two of inferior mutton at his scanty dinner in the flesh.