Definition of well seen in US English:

well seen

adjective

  • 1Plainly visible; evident, obvious. Chiefly in predicative use with it as subject and clause as complement. Now chiefly Scottish.

  • 2In predicative use. Skilled, proficient, or experienced in something. Compare "seen". Now rare (archaic in later use).

Origin

Middle English; earliest use found in Ormulum. Partly (in early use) from well + sene.

Pronunciation

well seen

/ˌwɛl ˈsiːn/