To mark or replace (text, etc.) with an asterisk symbol (*; noun noun sense 1.1); to star.
Bank of New Zealand Estates Company Share Account now stands, as we have already seen, at £1,089,722 17s. 7d., a reduction of £760,177 2s. 5d. having been effected by the writing off of share capital. But from the point of view of its intrinsic value, the item has still to be dealt with, being asterisked in the balance sheet as follows: […]
She was determined to make the most of the trip, extracting some cultural capital from the emotional waste, and so read carefully through the Venice guidebooks she had brought, underlining the must-dos and asterisking the should-dos.