What kind of word is this?

This is not a character. It's one of the traditional motifs called bat, or to be more precise, "Shou Shan Fu Hai", or "Fortune and Longevity".

Because of the "bat" and "blessing" sound, in the traditional Chinese decorative arts, often used. Bat motifs are very common in traditional decoration. Some of them are fine, engraved and depicted with bat motifs, while others have curled motifs instead. The angled shape and the pair of two, like this one, is a metaphor for the spreading of a bat's wings.

Picture, the upper part of the pattern is a variant of the word "longevity", the lower part of the pattern resembles the bat wings, that is, bat - Fu, the combination of the two patterns, it is called "Shou Shan Fu Hai The combination of the two motifs is called "Shou Shan Fu Hai", or "Fukou Shou Duo Quan".

The rest, there is no use of the character for longevity and the mountain pattern with the bat pattern together, also known as "Longevity Mountain and the Sea of Fortune"; a single bat or this curly pattern, called "Fortune in front of me"; into a large circle form, called " Fortune is in the sky"; several bats with a lotus pattern are called "Fortune is in the sky"; five bats are called "Five Fortunes at the Gate"; five bats with the character for longevity in the center are called "Five Fortunes for Longevity"; five bats with the character for longevity in the center are called "Five Fortunes for Longevity"; five bats with the character for longevity in the center are called "Five Fortunes for Longevity". If there are five bats with the character of longevity in the middle, it is called "Five Fortunes"; if the bat pattern is with a horse, it is called "Blessed on the horse"; if there are curled clouds or stars on the top of the bat pattern, it is called "Blessed by the stars"; if there is a heart or a star under the bat pattern, it is called "Blessed by the heart"; there are many different kinds of bats. The heart or star pattern under the bat pattern is called "blessed by the heart", and there are many different kinds of bat patterns.