Wiktionary
elasticise
alt. (context British English) To make with elastic, by attaching elastic bands, so it adjusts in size and remains snug. Usually done to clothing. vb. (context British English) To make with elastic, by attaching elastic bands, so it adjusts in size and remains snug. Usually done to clothing.
Usage examples of "elasticise".
These were, essentially, elasticised leotards, skin-tight but porous, maintaining the necessary pressure on the body without the need for cumbersome armour.