Across
1
Slow Italian music and dance in 3/4 time (11)
10
HD -------, US essayist and poet (1817-62) (7)
11
Gamble, betting the sum at stake in an attempt to win back that previously lost (6,2,5)
12
Commonest ore of lead (6)
13
Basque or Spanish racquet-ball-wall game (6)
16
Taking into account (7,2,4)
18
Sent message with a click (1-6)
19
Enigma Variations composer
(5)
20
In tennis, a stroke hit beyond the lateral reach of an opponent (7,4)
Down
2
Normally; in general (2,5)
3
Scottish archipelago, chief town Lerwick (8,5)
4
Large lemon-like fruit (6)
5
Affectionate nickname for Elizabeth I (4,5,4)
6
Ancient British tribe ruled by Queen Boudicca (5)
7
Play by Henrik Ibsen (1891) (5,6)
8
Falling short of some prescribed norm (11)
15
1970s war in a desert area of Ethiopia disputed by Somalia (6)
17
Small terrestrial Old World lizard (5)