суха́рь — meaning in English

sukhar

English meaning

cotter noun A metal pin or wedge pushed through a slot to hold parts of a machine together.
cracker noun A thin, crisp, usually savory baked snack.
hardtack noun A big, hard biscuit made only from flour and water, once eaten by sailors as food that kept well.

суха́рь is used for these senses in English:

cold fish (idiomatic, potentially, endearing) A heartless individual; a person lacking empathy and emotion.
cotter (mechanical engineering) A pin or wedge inserted through a slot to hold machine parts together.
cracker A dry, thin, crispy baked bread (usually salty or savoury, but sometimes sweet, as in the case of graham crackers and animal crackers).
crispbread A type of flat, dry bread or cracker, usually baked of rye flour, popular in the Nordic countries.
hardtack (nautical) A large, hard biscuit made from unleavened flour and water; formerly used as a long-term staple food aboard ships.

noun A metal pin or wedge pushed through a slot to hold parts of a machine together.
noun Another name for a cotter, the pin used to fix machine parts in place.

noun A thin, crisp, usually savory baked snack.
noun A small paper tube that pops and reveals a toy or prize, traditionally pulled apart at Christmas.
noun A firecracker.
noun Informal, often offensive: a poor white person from the southeastern United States, or, more broadly and offensively, any white person.