riverrun - the course which a river shapes and follows through the landscape

Adam and Eve's - old Franciscan church in Dublin (on the south quays of river Liffey).

swerve - an act of swerving, turning aside, or deviating from a course.

bend - curve

bay - an embankment or dam to retain water, or divert its course into a mill stream, etc.

commodious - comfortable, spacious, capacious

a vicious circle* - a situation in which a cause produces a result that itself produces the original cause.

recirculation - a renewed or fresh circulation

environs - surroundings, outskirts