Bow (3)
'bow' is the definition.
(both can mean a curve)
This is all the clue.
(Other definitions for arc that I've seen before include "Segment of circumference" , "A curve for Joan of . . ." , "Part of curved line" , "less than the complete circuit" , "cut off from the circle" .)
'bow' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tie that I've seen before include "Knot; limit" , "Equal scores" , "Draw for neckware" , "Neck-cloth" , "Finish level" .)
'bow' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for nod that I've seen before include "Gesture of assent" , "Fellow that's set up number 500" , "Sign of assent or salutation" , "'A . . . is as good as a wink to a blind horse'" , "Bob the head" .)
'bow' is the definition.
(both can mean to curve)
This is all the clue.
(Other definitions for arch that I've seen before include "Construction with a keystone" , "Roguish, cunning" , "Curve of the foot" , "Teasing; part of foot" , "Curved part of the foot" .)
'bow' is the definition.
(synonyms)
This is all the clue.
(Other definitions for prow that I've seen before include "(Ship's) bow" , "Bow of a vessel" , "Boat's bow" , "Bow of a ship" , "Pointed front part of a vessel" .)