a monster / a mysterious figure

development or exploitation of natural resources etc. / development or creation of new technology, drugs, or products / development or cultivation of talent or ability

to develop or exploit resources / to develop or create new products or fields / to cultivate talent or ability

(military) navy

rename; change one's name

change of name

(nautical) pirate (one who plunders at sea)

grebe / little grebe

(transitive) solve, resolve, settle (a problem, a trouble, a criminal case) / (intransitive) be solved, be settled / (intransitive) can be solved; be soluble

seawater