portmanteau – a new word, formed by joining two other words and combining their meaning: e.g. ‘smog’ is a blend of ‘smoke’ and ‘fog’
proboscis – a long, flexible tubular snout or mouthpart of an animal, such as an elephant’s trunk
sal-volatile – smelling salts used to revive a person who is feeling faint
teetotum – a spinning-top toy