Sentence:  And at the same instant perhaps a priest round the corner is elevating it. Dringdring! And two streets off another locking it into a <WSD>pyx</WSD>. Dringadring! And in a ladychapel another taking housel all to his own cheek. Dringdring! 
Meaning of the word marked with <WSD> tags:  A small, usually round container used to hold the consecrated bread of the Eucharist, especially used to bring communion to the sick, or others who are unable to attend Mass.