Toward is the less common variant of towards. Both are prepositions meaning in the direction of or getting closer to something. Eg todays word count of 1,237 words helps toward my goal of finishing the next Little Mallow book. Toward (or towards) can also mean contributing to the cost of. Eg each book sale goes towards funding my cake habit.
Toward (but not towards) is an old fashioned word for going on, or in progress. Untoward is not as might be expected the opposite. That means unexpected or inconvenient.
Toward is also the name of a castle in Scotland. Two actually, old Toward castle (pictured) is a ruin which the public are welcome to explore. You can get a better look round, and more information here.