adj
Located or positioned out of sight; not visually apparent.
hidden treasure; hidden talents
It was the Lost Oasis, the Oasis of the vision in the sand. […] Deep-hidden in the hollow, beneath the cliffs, it lay; and round it the happy verdure spread for many a rood.
Obscure.
noun
A hidden answer clue; one in which the letters of the solution appear consecutively in the wordplay.
Hiddens are indicated thus; (e.g.) Grow (maraudinG ROWdies).
The two types of clue which everyone should aim to solve at first reading are anagrams and hiddens.
name
A surname.