castlebuilding
The construction of castlesThe construction of castles.
Meaning
2 senses(uncountable)The construction of castles.
(figuratively, uncountable)Daydreaming.
Origin
From castle + building.From castle + building.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable