Definition of "shark"
shark1
/ʃɑːk/
noun
plural sharks
verb
third-person singular simple present sharks, present participle sharking, simple past and past participle sharked
shark2
/ʃɑːk/
noun
plural sharks
(informal) A relentless and resolute person or group, especially in business.
verb
third-person singular simple present sharks, present participle sharking, simple past and past participle sharked