[ʃɑːk], (Noun)

Definitions:
- a large, long-bodied marine fish with a cartilaginous skeleton, a prominent dorsal fin, and toothlike scales. Most sharks are predatory, although the largest kinds feed on plankton, and some can grow to a very large size

- a small Southeast Asian freshwater fish with a tail resembling that of a shark, popular in aquaria

- a light greyish-brown European moth, the male of which has pale silvery hindwings


Phrases:

Origin:
late Middle English: of unknown origin

[ʃɑːk], (Verb)

Definitions:
- (typically of a man at a social gathering) be in active pursuit of a sexual partner
(e.g: as soon as he arrived he was sharking among the women)


Phrases:

Origin:
late Middle English: of unknown origin

[ʃɑːk], (Noun)

Definitions:
- a person who unscrupulously exploits or swindles others
(e.g: property sharks want to develop 200 acres around the site)

- an expert in a specified field
(e.g: a pool shark)


Phrases:

Origin:
late 16th century: perhaps from German Schurke ‘worthless rogue’, influenced by shark