Definition of rowans:
(n) :
Any of various small deciduous trees or shrubs of genus Sorbus, belonging to the rose family, with pinnate leaves, corymbs of white flowers, and usually with orange-red berries.
(n) :
Sorbus aucuparia, the European rowan.
(n) :
(obsolete) wych-elm, Ulmus glabra.
(n) :
A unisex given name from English of modern usage, often associated with the rowan tree.
(n) :
A male given name from Irish.
(n) :
A surname from Irish.