Indigenous Knowledge

Puttaaq
'small piece of floating sea ice. Usually ice cake (any relatively flat piece of sea ice less than 20 m across) or small ice cake (an ice cake less than 2 m across). Cf. putta- be afloat.' (Kalaallisut, Tersis and Taveniers 2010: 418)

Puktaat ᐳᒃᑖᑦ
'Small pieces of floating ice.' (Sanikiluaq Siku Terminology Workshop, 2018)

Puktaaq ᐳᒃᑖᖅ
'ᓯᑯ  ᓯᖁᑦᑎᕐᓯᒪᔪᖅ  ᐳᒃᑕᓛᕐᖢᑎᒃ. a free floating piece of ice, meaning "it's floating"; could refer to almost anything floating.' (North/South Qikiqtaaluk, Inuit Siku Atlas)

Sikuġaq 
'small chunk of floating ice' (North Alaskan Iñupiaq, https://inupiaqonline.com/siku%C4%A1aq)

Western Knowledge

Possibly related English terms:

Ice Cake
'Any relatively flat piece of ice less than 20 metres across.' (MANICE)

Small Ice Cake
'An ice cake less than 2 metres across.' (MANICE)