Meaning of difficult words from the poem "The Tale of Custard the Dragon":
 
S.No
Words
Meaning
1
WagonA small vehicle used for transporting goods and people
2
Realio TrulioA twisted form of really truly
3
MustardA spicy yellow paste
4
CustardA dessert or sweet sauce
5
CowardSomeone who is always afraid
6
TrivialNot very important
7
DeliberatelyDoing something knowingly
8
CosinessThe warmth and peace that one gets when they are relaxed
9
ContradictoryNegating a statement
10
Mortal enemiesEnemies for a long time
11
SpikesA thin pointed piece 
12
ScalesSmall, thin, glass-like layer on the body
13
FireplaceA place to put up a fire in the house
14
ChimneyA pipe that conducts smoke out of the fireplace
15
BarrelA cylindrical container made to store things
16
DaggersPointed swords
17
RageAnger at the extreme
18
HeinousUtterly wicked
19
MythicalFictitious, with reference to the past
20
TickledA light touch that causes mild discomfort
21
UnmercifulNot showing any pity
22
VulnerableA person who needs support physically or emotionally
23
CowardA person who is scared of everything
24
GigglingA light and silly laugh
25
PistolA small gun
26
GrowlMake a low sound
27
PirateA person who attacks and robs ships
28
WindaColloquial for window
29
CutlassA short sword with a curve at the end
30
PaleLight in colour or shade
31
FledRun away
32
TerrifiedScared, and frightened
33
YelpA short cry
34
TrickledFlow gradually
35
StrategicallyOf or relating to strategy
36
SnortingMake a sound through nose
37
DungeonsA strong underground passage
38
ClatteringA continuous rattling sound
39
SquirmTwist the body
40
RobbinA bird
41
GapedTo open one's mouth in shock
42
GulpedSwallow quickly
43
GrogA type of alcohol
44
FlagonA large container
45
GobbleEat hurriedly
46
EmbraceTo accept and include
47
MournTo feel and show great sadness
48
FlusteredTo make someone nervous
49
GleeVery happy
50
GyrateMove rapidly in circles