Crossword Puzzle Lowing places

Clue: Lowing places

Places for lowing (LEAS with 4 letters)
Places to study anglais, perhaps (ECOLES with 6 letters)
Places longshoremen work (DOCKS with 5 letters)
Places to whistle past (GRAVEYARDS with 10 letters)
100,265 places (1964)/5 trillion+ (today) (MOSTACCURATEVALUEOFPI with 21 letters)
Some 24-hr. breakfast places (IHOPS with 5 letters)
Sticky places? (NESTS with 5 letters)
Private places (e.g. SANCTA with 6 letters)
Places where splits may occur (LANES with 5 letters)
Places for burnt offerings (ALTARS with 6 letters)