How many syllables in root?

Definition of root:

root (noun):

the part of a plant that anchors the rest of the plant in the ground and absorbs water and mineral salts from the soil

(botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground.

the usually underground part of a seed plant body that originates usually from the hypocotyl, functions as an organ of absorption, aeration, and food storage or as a means of anchorage and support, and differs from a stem especially in lacking nodes, buds, and leaves