DESCRIPTION:
Akane Takada, Royal Ballet First Artist, demonstrates glissades.

Glissade: A travelling step that creates the illusion of gliding,
often used to link other steps. The working foot glides from fifth
position outwards and the other foot closes to it, with the dancer
landing on a plié.

Read more: http://www.roh.org.uk/discover/ballet/glossary.aspx