Webster’s Revised Unabridged Dictionary · 1913
Dovetail
Dove′tail′ (·tāl′), n. (Carp.) 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 series of dovetails. — Dovetail saw (Carp.), a saw used in dovetailing.
Dove′tail′, v. t. [imp. & p. p. Dovetailed; p. pr. & vb. n. Dovetailing.] 1. (Carp.) (a) To cut to a dovetail. (b) To join by means of dovetails.
2. To fit in or connect strongly, skillfully, or nicely; to fit ingeniously or complexly.
He put together a piece of joinery so crossly indented and whimsically dovetailed . . . that it was indeed a very curious show. Burke.