Yes, TIMECARD is a Scrabble word!

Letter values in Scrabble US: T 1, I 1, M 3, E 1, C 3, A 1, R 1, D 2.

Is it a valid word?

TIMECARD is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a card recording an employee's starting and quitting times each work day
a card used with a time clock to record an employee's starting and quitting times each day