Adverbial has 1 sense

• or so(r = adv.all) about, approximately, around, close to, just about, more or less, roughly, some - (of quantities) imprecise but fairly close to correct; "20 or so people were at the party"; "he's about 30 years old"; "holds 3 gallons, more or less"; "I've had about all I can stand"; "in just about a minute"; "lasted approximately an hour"; "roughly $3,000"; "some forty people came"; "we meet about once a month"; "weighs around a hundred pounds"