dovetail

Short definition from Wiktionary

Noun

1. 1
   The tail of a dove (family Columbidae); also, something having the shape of a dove's tail.
2. 2
   In full dovetail joint: a type of joint where adjoining components are fastened by multiple tenons cut into wedge shapes resembling a dove's tail, which interlock with mortises having corresponding shapes.
3. 3
   A tenon cut into a wedge shape resembling a dove's tail so that it interlocks with a mortise having a corresponding shape in a dovetail joint.
4. 4
   A line resembling a dovetail joint (sense 2.1).

Verb

1. 1
   To unite (components) with a dovetail (noun sense 2.1) or similar joint.
2. 2
   To combine or fit (things) together well.
3. 3
   To interweave (a number of algorithms or subprograms) so that they can be run more or less simultaneously.
4. 4
   To seamlessly move a melody from one instrument to another.
5. 5
   Of several things: to combine or fit together well.
6. 6
   To adapt to something; to fit in.