1 Not plural (8)
5 A type of inflorescence (6)
9 Aerialists (8)
10 Bovine mammary glands (6)
12 Secure or fasten (5)
13 Earnestly (9)
14 Ape or monkey (6)
16 Pins (7)
19 Astounding (7)
21 Attractiveness (6)
23 A piece of numerical data (9)
25 A tree of the genus Betula (5)
26 Titillating (6)
27 Ball-shaped (8)
28 Sprinkle with moisture (6)
29 A unit of computer memory (8)
Down
1 Not readily available (6)
2 Standardize (9)
3 Pertaining to cities (5)
4 Craftsman (7)
6 A nearby galaxy (9)
7 Smooths (5)
8 A writer of literary works (8)
11 Smile (4)
15 Revering (9)
17 Not figuratively (9)
18 Pet rodents (8)
20 Newts (4)
21 Rod-shaped bacteria (7)
22 An impetuous rush (6)
24 Fragrance (5)
25 Hindu for "Mister" (5)