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Adjoin

//əˈd͡ʒɔɪn// verb

Verb

1
To be in contact or connection with. transitive
"The living room and dining room adjoin each other."
2
attach or add wordnet
3
To extend an algebraic object (e.g. a field, a ring, etc.) by adding to it an element not belonging to it and then ensuring closure, for example by also adding all finite power series of the element. transitive
"The ring adjunction #92;mathbb#123;Q#125;#91;#92;sqrt#123;2#125;#93; can be obtained from #92;mathbb#123;Q#125; by adjoining #92;sqrt#123;2#125; to #92;mathbb#123;Q#125;."
4
be in direct physical contact with; make contact wordnet
5
lie adjacent to another or share a boundary wordnet

From Anglo-Norman adjoindre, from Latin adiungō.

Unscramble this word: adjoin