(1)Heeling: The action that is performed when users of 'Heelys' shoes engage the wheel to roll along the ground, rather than using the shoe like a 'regular shoe'. Heeling is slowly becoming a popular urban sport, it is frowned upon to call this action 'heelying'
(2)Heeling: is the lean caused by the wind's force on the sails of a sailing vessel. See the description under Sailing.