The Clue
Point that marks the beginning of a change (4 letter answer)
The Answer
CUSP
Tags
Notes
The answer CUSP is uncommon, appearing about once every 400 puzzles.
Related Clues
Apex
Border
Edge
Point
Astrological point
Crescent point
Crescent's tip
Moon horn
Moon's horn
Point; apex
Pointed end
Tooth part
Transition point
Zodiacal border
Zodiacal delineation
Astrological gray area
Astrological transition point
Horn of a crescent moon
Horn of the crescent moon
Point on the crown of a tooth
Where astrological signs meet
Where Virgo meets Libra, e.g.
Definition
CUSP as a noun:
1. point formed by two intersecting arcs (as from the intrados of a Gothic arch)
2. (cusp, leaflet) = a thin triangular flap of a heart valve
3. small elevation on the grinding surface of a tooth