What is the meaning of Rowan?

Sorbus aucuparia, the European rowan.

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.

 wych-elm, Ulmus glabra.

Alternative form of rowen (aftermath)

dated form of roving (an elongate bundle of fiber).

Alternative form of rown (fish-eggs)

to row (with oars etc.)

Source: wiktionary.org