Verb (used with object), : to elasticize the waistband of a dress.    From Dictionary.com. 

I wonder if that elasticised waist was ACTUALLY on the jumper before it because skants.    From Wordnik.com.  [Regretsy – Skants Skants Revolution] Reference

Just when was poly osti-frocks with elasticised waists worn by anyone other than our mums? see you soon! debrina.    From Wordnik.com.  [not a fashionista moment @1985] Reference

A sport in which one throws oneself from a high place such as a bridge to which one is attached by an elasticised cord.    From Wordnik.com.  [November 2007] Reference

Was it a point in time roughly contemporaneous with you being caught with your giant elasticised pantaloons around your ankles.    From Wordnik.com.  [Archive 2007-02-18] Reference

All the fashion mistakes were there in bulk: combats elasticised at the ankle, shapeless shifts, murky colours, the wrong prints.    From Wordnik.com.  [Archive 2007-09-01] Reference

And then before you can say Big Mac, all of you will be shopping for elasticised trousers and extra-large T-shirts together.    From Wordnik.com.  [Hindustan Times News Feeds 'Views'] Reference

An elasticised storage net provides added practicality and safety to rear stowed items (standard in Elite and Premium models).    From Wordnik.com.  [Automotive Headlines] Reference

Or does my lack of interest come down to some deep psychological issue, like not trusting people in shorts, elasticised pants or Lycra?.    From Wordnik.com.  [The Sydney Morning Herald News Headlines] Reference

Below this is the elasticised hand-strap, under which resides the battery, on which is a button which can be pressed to tell the current charge.    From Wordnik.com.  [ZDNET.com.au] Reference

They feature a main internal compartment with elasticised pockets, a front zip pocket, nylon lining, a large padded microfibre change mat, a zip-top wet purse, an OiOi wipes case and protective metal feet on the base.    From Wordnik.com.  [The Australian Jewish News] Reference

From Supergrass 'likeable ear for a tune to the gleeful absurdity of Space, there's a wealth of influences pulled in and elasticised, glued together by a playfulness that comes with the kind of uncompromised, innocent satisfaction you get by simply having a good time.    From Wordnik.com.  [The Line Of Best Fit] Reference