DOVETAIL n.
A flaring tenon, or tongue (shaped like a bird's tail spread), and a mortise, or socket, into which it fits tightly, making an interlocking joint between two pieces which resists pulling a part in all directions except one. Dovetail molding (Arch.), a molding of any convex section arranged in a sort of zigzag, like a s…
EFFECT n.
n or excitement. -- In effect, in fact; in substance. See 8, above. -- Of no effect, Of none effect, To no effect, or Without effect, destitute of results, validity, force, and the like; vain; fruitless. "Making the word of God of none effect through your tradition." Mark vii. 13. "All my study be to no effect." Shak…