Definition of "sketchbook"

This compact sketchbook displays every style of blinds imaginable, from rollers to Romans and from London to Austrian blinds.

2005, Wendy Baker, Compact Sketchbook of Blinds

Since writing the preface for my sketchbook, I have, of course, been involved in a number of more recent projects where I have sketched ideas for structural solutions.

2012, Tony Hunt, Sir Norman Foster, Tony Hunt's Second Sketchbook, page iv

This sketchbook provides an artist's impression in watercolours and drawings of the city's varied past, linked to the buildings and neighbourhoods still here today, as well as a glimpse of some of the beautifully conserved historic settlements on nearby islands.

2013, Bahamas Sketchbook: Islands in the Sun, page 11