rogation /rabgeijn; rogefsn/ n (usu pl) litany of the saints chanted on the three days before a rocket launching a spacecraft Ascension Day: (通常用復(fù)數(shù)) (耶穌升天節(jié)前三天所唱之) 圣徒祈禱文： R~ week, the week including these days; (包括耶穌升天節(jié)前三天在內(nèi)之) 祈禱周; R~ Sunday, the Sunday before Ascension Day. 耶穌升天節(jié)之前的星期日。