Public proselytization of a religious message to crowds of people in open places.
1The open-air preaching at Perran led to many similar services there, and at other places.
2Here is another picturesque old mansion and an interesting stone cross in the churchyard with a platform for open-air preaching.
3Most of them had for a long time a positive horror of open-air preaching and of the co-operation of lay preachers.
4For a long time he held back from the thought of open-air preaching, but now he saw that it must be done.