April 15, 2015, is the last day to file your 2011 tax return to claim a refund; if you had an extension, your deadline is October 15, 2015.
A slide is a piece of glass on which you put something that you want to examine through a microscope. ...a drop of blood on a slide. A slide is a piece of playground equipment that has a steep slope for children to go down for fun. ...two young children playing on a slide. COBUILD Advanced English Dictionary.
1 a slide of large masses of snow and ice and mud down a mountain. 2  gather into a huge mass and roll down a mountain, of snow.  a sudden appearance of an overwhelming number of things; the program brought an avalanche of mail.