fddf3d51_S5__7_0__Object_Model_JS__Cell__Property
[Type] Measurement Unit (Number or String) [Access] r/w [Description] The minimum height of the cells in the Cell. Note: When auto grow is true, cells can automatically grow larger than this amount when content is added. Also, the minimum height can affect redistribution. [Property] 
minimumHeight
Adobe InDesign CS5 (7.0) Object Model JS: Cell
Property