(intransitive, computing, Internet) To send spam (i.e. unsolicited electronic messages.) / (transitive, computing, Internet) To send spam (i.e. unsolicited electronic messages) to a person or entity.

(organic chemistry) Any dimethyl acetal

Used other than figuratively or idiomatically: see bring, up: To bring from a lower to a higher position. / To mention. / To raise or rear (children).

helicopter parent.