Sentence:  <WSD>Matutine</WSD> planets are those which in their rising precede the Sun....We must also know in what conditions the <WSD>matutine</WSD> star rejoices and in what the vespertine star rejoices, for they are protected in a favorable position whenever they precede the Sun. 
Meaning of the word marked with <WSD> tags:  Before the sun ("of the rising of a planet or star"); that rises before the sun ("of a planet or star").