1. 瘤：excrementitiously 粪便地 | excrescence 瘤 | excrescency 瘤

2. 赘疣：excrement 排泄物 | excrescence 赘疣 | excretion 排泄

3. 赘生物：excitation 激发 | excrescence 赘生物 | excreta 排泄物

4. 异常生长：excrementfaecesshit 大便 | excrescence 异常生长 | excrescence 赘生物

1. 多余物;累赘
If you describe something such as a building, addition, or development as an excrescence, you strongly disapprove of it because you think it is unnecessary, bad, or ugly.

e.g. ...an architectural excrescence...
多余的建筑物
e.g. The trade union block vote is an excrescence on democracy.
工会集团投票制是民主的毒瘤。

noun

1. (pathology) an abnormal outgrowth or enlargement of some part of the body

2. something that bulges out or is protuberant or projects from its surroundings

e.g. the gun in his pocket made an obvious bulge
the hump of a camel
he stood on the rocky prominence
the occipital protuberance was well developed
the bony excrescence between its horns

Synonym: bulgebumphumpswellinggibbositygibbousnessjutprominenceprotuberanceprotrusionextrusion