1. (noun)frankincense, olibanum, gum olibanum, thus an aromatic gum resin obtained from various Arabian or EastAfrican trees; formerly valued for worship and for embalming and fumigation
2. (adverb)therefore, hence, thence, thus, so (used to introduce a logical conclusion) from that fact or reason or as a result "therefore X must be true"; "the eggs were fresh and hence satisfactory"; "we were young and thence optimistic"; "it is late and thus we must go"; "the witness is biased and so cannot be trusted"
3. (adverb)thus, thusly, so in the way indicated "hold the brush so"; "set up the pieces thus"; (`thusly' is a nonstandard variant)