pɪə n. 1 a a
structure of
iron or
wood raised on
piles and leading
out to
sea, a lake,
etc., used as a
promenade and landing-stage, and
often with entertainment arcades etc. b a
breakwater; a mole. 2 a a
support of an arch or of
the span of a bridge; a
pillar. b
solid masonry between windows etc. øpier-glass a
large mirror, used orig. to
fill wall-space between windows. [ME
per f. AL pera, of unkn. orig.]