A proboscis is an elongated appendage from the head of an animal, either a vertebrate or an invertebrate. In invertebrates, the term usually refers to tubular mouthparts used for feeding and sucking.iktionary (0.00 / 0 votes) Rate this definition: proboscis (Noun). An elongated tube from the head or connected to the mouth, of an animal. proboscis (Noun). Informally, a large human nose.
There can only be 435 members in the House of Representatives. Each state must have at least one representative. These states have only one each: Alaska, Delaware, Montana, â¦ North Dakota, South Dakota, Vermont and Wyoming. California has the most with 53 representatives.
  There are 60 State Representatives in the Arizona House and Arizona has eight US Representatives in the US House of Representatives.n the U.S. Senate there are 2 senators from each state. For Pennsylvania these two senators represent the st â¦ ate's interests in the federal government. Within the the Pennsylvania state government there are 50 senators who represent their respective districts in Harrisburg.