1: Water frozen in the solid state.
4: The time at which something begins.
8: Plural form of 'material.'
10: A theatrical performer.
13: They often act as enclosures for animals at the zoo.
17: Olympic poolside discussion?
20: The company was ______ in 1855.
22: An affirmative response.
23: One a day will keep the doctor away.
26: Cabinet dept. founded by Lincoln
27: Charge with a function; charge to be; 'She was ______ Head of the Committee.'
29: Program that tops the rest
30: The fourth day of the week; the third working day.
31: Sally's husband in the comic strip 'Sally Forth'