(Australia) A retired person who travels independently and for an extended period within their own country, particularly in a caravan or motor home.

(British spelling) Of a medium grey colour with a slight tint of pink or blue, like that of a dove.

Of a pale grey colour, tinted with blue, like that of some pearls.

(idiomatic) Brains; a person's ability to think. / Literal brains as a general substance. / (neuroanatomy) A collection of cell bodies and (usually) dendritic connections, in contrast to white matter.

Of a shiny pale grey colour.

A shiny pale grey colour.

(British spelling) A medium grey colour with a slight tint of pink or blue, like that of a dove.

Of a dark grey colour with a tint of blue.

Of a medium grey colour tinged with blue, like that of a battleship.

A pale grey colour, tinted with blue, like that of some pearls.