Sentence:  In Wimbledon, the tennis <WSD>WAGs</WSD> and - just as excitingly - HABs (Husbands and Boyfriends) have been appearing courtside, enthusiastically cheering on their beloved other halves with a degree of style. 
Meaning of the word marked with <WSD> tags:  A wife or girlfriend of a sports star or other celebrity, originally and especially of an association football player.