"What's that predatory bird with a piercing cry?" "That? That's - ----"
16A
Cent coin
17A
First notes of a scale
19A
Pro ---; being in favor of a transmission electron microscope for the time being
20A
Win; vanquish
22A
Highest and/or lowest card rank
25A
Not take a side
27A
Sporty Chevy
29A
Stun guns
30A
" I'm standing on a ledge and your fine ------ ---. Is fastening my ankle to a stone"
32A
Color; tint (but as verbs; not nouns)
33A
Enter quietly like a thief in the night
34A
Hard-shelled food
35A
Canadian Sports Channel
36A
Most depressing author of all time (Is there any joy in "Tess of the D'Urbervilles"?)
41A
Hebrew letter. ----- null is the cardinality of the integers or any infinite but countable set. ----- one is the cardinality of the real numbers. John Brunner in "The Infinitive of Go" talked of ----- two and ----- three but I don't think he really understood the concept.
43A
Parachutes that work as anchors. Of sorts.
45A
Indian wrap (var.)
46A
Germaine and focused
47A
Weak part of a musical measure (and a death metal band from Virginia Beach)
48A
Horse's huff
Down
1D
Wander
2D
"That's for sure"
3D
Plant with fronds
4D
Not quite right
5D
Contenu d'un lac ou d'une mer ou d'un océan
6D
President who lifted Him and Her by their ears
7D
Alternative name for a puffer fish (just as Echinozoa are neither hedgehogs or cucumbers, a puffer fish is not a baby pigeon)
8D
Pen filler
9D
Aimlessly hung around
10D
Well-read
11D
Primordial matter of the universe, originally conceived as composed of neutrons at high temperature and density.
12D
Probably not a portmanteau word from "soak" and "mop" but it should be
18D
Time in the early afternoon when there is about a 30 degree angle between the clock hands
20D
Anglo-Saxon freemen
21D
Predecessors of 17A
22D
Coolers that you can not drink
23D
Condensed in format
24D
Things that send
25D
Inhales and exhales
26D
Public university in Camden and Westminster
28D
A cooler that you can drink
31D
Sill, pane, sash are all part of this
34D
Spacey Organization (no, not the clever pun answer; the stupid and obvious pun answer)
36D
Arizona native
37D
Dramatic conflict (if its between multiple parties would it be a poly-... sorry. A nerdy geometry pun there)
38D
Wreck
39D
Claim otherwise
40D
Penultimate Ave. crosser?
42D
Maritime prov. know for its potatoes and mussels
44D
If you need a nudge, this hockey player is apparently well-known enough to go be just his initials (at least they came up high on a google search)